38839640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 107688960

約数和(自身を除く): 68849320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 163, 184, 185, 230, 259, 280, 296, 322, 326, 370, 460, 518, 644, 652, 740, 805, 815, 851, 920, 1036, 1141, 1288, 1295, 1304, 1480, 1610, 1630, 1702, 2072, 2282, 2590, 3220, 3260, 3404, 3749, 4255, 4564, 5180, 5705, 5957, 6031, 6440, 6520, 6808, 7498, 8510, 9128, 10360, 11410, 11914, 12062, 14996, 17020, 18745, 22820, 23828, 24124, 26243, 29785, 29992, 30155, 34040, 37490, 42217, 45640, 47656, 48248, 52486, 59570, 60310, 74980, 84434, 104972, 119140, 120620, 131215, 138713, 149960, 168868, 209944, 211085, 238280, 241240, 262430, 277426, 337736, 422170, 524860, 554852, 693565, 844340, 970991, 1049720, 1109704, 1387130, 1688680, 1941982, 2774260, 3883964, 4854955, 5548520, 7767928, 9709910, 19419820, 38839640]

約数ペア:

[(1, 38839640), (2, 19419820), (4, 9709910), (5, 7767928), (7, 5548520), (8, 4854955), (10, 3883964), (14, 2774260), (20, 1941982), (23, 1688680), (28, 1387130), (35, 1109704), (37, 1049720), (40, 970991), (46, 844340), (56, 693565), (70, 554852), (74, 524860), (92, 422170), (115, 337736), (140, 277426), (148, 262430), (161, 241240), (163, 238280), (184, 211085), (185, 209944), (230, 168868), (259, 149960), (280, 138713), (296, 131215), (322, 120620), (326, 119140), (370, 104972), (460, 84434), (518, 74980), (644, 60310), (652, 59570), (740, 52486), (805, 48248), (815, 47656), (851, 45640), (920, 42217), (1036, 37490), (1141, 34040), (1288, 30155), (1295, 29992), (1304, 29785), (1480, 26243), (1610, 24124), (1630, 23828), (1702, 22820), (2072, 18745), (2282, 17020), (2590, 14996), (3220, 12062), (3260, 11914), (3404, 11410), (3749, 10360), (4255, 9128), (4564, 8510), (5180, 7498), (5705, 6808), (5957, 6520), (6031, 6440)]