20343672880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{47791}}^1$

素因数の和:48134

約数の個数: 80

約数和(自身を含む): 50242391424

約数和(自身を除く): 29898718544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 313, 340, 626, 680, 1252, 1360, 1565, 2504, 3130, 5008, 5321, 6260, 10642, 12520, 21284, 25040, 26605, 42568, 47791, 53210, 85136, 95582, 106420, 191164, 212840, 238955, 382328, 425680, 477910, 764656, 812447, 955820, 1624894, 1911640, 3249788, 3823280, 4062235, 6499576, 8124470, 12999152, 14958583, 16248940, 29917166, 32497880, 59834332, 64995760, 74792915, 119668664, 149585830, 239337328, 254295911, 299171660, 508591822, 598343320, 1017183644, 1196686640, 1271479555, 2034367288, 2542959110, 4068734576, 5085918220, 10171836440, 20343672880]

約数ペア:

[(1, 20343672880), (2, 10171836440), (4, 5085918220), (5, 4068734576), (8, 2542959110), (10, 2034367288), (16, 1271479555), (17, 1196686640), (20, 1017183644), (34, 598343320), (40, 508591822), (68, 299171660), (80, 254295911), (85, 239337328), (136, 149585830), (170, 119668664), (272, 74792915), (313, 64995760), (340, 59834332), (626, 32497880), (680, 29917166), (1252, 16248940), (1360, 14958583), (1565, 12999152), (2504, 8124470), (3130, 6499576), (5008, 4062235), (5321, 3823280), (6260, 3249788), (10642, 1911640), (12520, 1624894), (21284, 955820), (25040, 812447), (26605, 764656), (42568, 477910), (47791, 425680), (53210, 382328), (85136, 238955), (95582, 212840), (106420, 191164)]