51961580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 129669120

約数和(自身を除く): 77707540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 401, 418, 589, 620, 682, 802, 836, 1045, 1178, 1364, 1604, 1705, 2005, 2090, 2356, 2945, 3410, 4010, 4180, 4411, 5890, 6479, 6820, 7619, 8020, 8822, 11780, 12431, 12958, 15238, 17644, 22055, 24862, 25916, 30476, 32395, 38095, 44110, 49724, 62155, 64790, 76190, 83809, 88220, 124310, 129580, 136741, 152380, 167618, 236189, 248620, 273482, 335236, 419045, 472378, 546964, 683705, 838090, 944756, 1180945, 1367410, 1676180, 2361890, 2598079, 2734820, 4723780, 5196158, 10392316, 12990395, 25980790, 51961580]

約数ペア:

[(1, 51961580), (2, 25980790), (4, 12990395), (5, 10392316), (10, 5196158), (11, 4723780), (19, 2734820), (20, 2598079), (22, 2361890), (31, 1676180), (38, 1367410), (44, 1180945), (55, 944756), (62, 838090), (76, 683705), (95, 546964), (110, 472378), (124, 419045), (155, 335236), (190, 273482), (209, 248620), (220, 236189), (310, 167618), (341, 152380), (380, 136741), (401, 129580), (418, 124310), (589, 88220), (620, 83809), (682, 76190), (802, 64790), (836, 62155), (1045, 49724), (1178, 44110), (1364, 38095), (1604, 32395), (1705, 30476), (2005, 25916), (2090, 24862), (2356, 22055), (2945, 17644), (3410, 15238), (4010, 12958), (4180, 12431), (4411, 11780), (5890, 8822), (6479, 8020), (6820, 7619)]