8045281820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1455

約数の個数: 96

約数和(自身を含む): 17812569600

約数和(自身を除く): 9767287780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 149, 155, 292, 298, 310, 365, 596, 620, 730, 745, 1193, 1460, 1490, 2263, 2386, 2980, 4526, 4619, 4772, 5965, 9052, 9238, 10877, 11315, 11930, 18476, 21754, 22630, 23095, 23860, 36983, 43508, 45260, 46190, 54385, 73966, 87089, 92380, 108770, 147932, 174178, 177757, 184915, 217540, 337187, 348356, 355514, 369830, 435445, 674374, 711028, 739660, 870890, 888785, 1348748, 1685935, 1741780, 1777570, 2699759, 3371870, 3555140, 5399518, 5510467, 6743740, 10799036, 11020934, 12976261, 13498795, 22041868, 25952522, 26997590, 27552335, 51905044, 53995180, 55104670, 64881305, 110209340, 129762610, 259525220, 402264091, 804528182, 1609056364, 2011320455, 4022640910, 8045281820]

約数ペア:

[(1, 8045281820), (2, 4022640910), (4, 2011320455), (5, 1609056364), (10, 804528182), (20, 402264091), (31, 259525220), (62, 129762610), (73, 110209340), (124, 64881305), (146, 55104670), (149, 53995180), (155, 51905044), (292, 27552335), (298, 26997590), (310, 25952522), (365, 22041868), (596, 13498795), (620, 12976261), (730, 11020934), (745, 10799036), (1193, 6743740), (1460, 5510467), (1490, 5399518), (2263, 3555140), (2386, 3371870), (2980, 2699759), (4526, 1777570), (4619, 1741780), (4772, 1685935), (5965, 1348748), (9052, 888785), (9238, 870890), (10877, 739660), (11315, 711028), (11930, 674374), (18476, 435445), (21754, 369830), (22630, 355514), (23095, 348356), (23860, 337187), (36983, 217540), (43508, 184915), (45260, 177757), (46190, 174178), (54385, 147932), (73966, 108770), (87089, 92380)]