20342616280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{7823}}^1$

素因数の和:8129

約数の個数: 128

約数和(自身を含む): 53944289280

約数和(自身を除く): 33601673000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 251, 259, 280, 296, 370, 502, 518, 740, 1004, 1036, 1255, 1295, 1480, 1757, 2008, 2072, 2510, 2590, 3514, 5020, 5180, 7028, 7823, 8785, 9287, 10040, 10360, 14056, 15646, 17570, 18574, 31292, 35140, 37148, 39115, 46435, 54761, 62584, 65009, 70280, 74296, 78230, 92870, 109522, 130018, 156460, 185740, 219044, 260036, 273805, 289451, 312920, 325045, 371480, 438088, 520072, 547610, 578902, 650090, 1095220, 1157804, 1300180, 1447255, 1963573, 2026157, 2190440, 2315608, 2600360, 2894510, 3927146, 4052314, 5789020, 7854292, 8104628, 9817865, 10130785, 11578040, 13745011, 15708584, 16209256, 19635730, 20261570, 27490022, 39271460, 40523140, 54980044, 68725055, 72652201, 78542920, 81046280, 109960088, 137450110, 145304402, 274900220, 290608804, 363261005, 508565407, 549800440, 581217608, 726522010, 1017130814, 1453044020, 2034261628, 2542827035, 2906088040, 4068523256, 5085654070, 10171308140, 20342616280]

約数ペア:

[(1, 20342616280), (2, 10171308140), (4, 5085654070), (5, 4068523256), (7, 2906088040), (8, 2542827035), (10, 2034261628), (14, 1453044020), (20, 1017130814), (28, 726522010), (35, 581217608), (37, 549800440), (40, 508565407), (56, 363261005), (70, 290608804), (74, 274900220), (140, 145304402), (148, 137450110), (185, 109960088), (251, 81046280), (259, 78542920), (280, 72652201), (296, 68725055), (370, 54980044), (502, 40523140), (518, 39271460), (740, 27490022), (1004, 20261570), (1036, 19635730), (1255, 16209256), (1295, 15708584), (1480, 13745011), (1757, 11578040), (2008, 10130785), (2072, 9817865), (2510, 8104628), (2590, 7854292), (3514, 5789020), (5020, 4052314), (5180, 3927146), (7028, 2894510), (7823, 2600360), (8785, 2315608), (9287, 2190440), (10040, 2026157), (10360, 1963573), (14056, 1447255), (15646, 1300180), (17570, 1157804), (18574, 1095220), (31292, 650090), (35140, 578902), (37148, 547610), (39115, 520072), (46435, 438088), (54761, 371480), (62584, 325045), (65009, 312920), (70280, 289451), (74296, 273805), (78230, 260036), (92870, 219044), (109522, 185740), (130018, 156460)]