8986520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 12440680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 127, 145, 232, 244, 254, 290, 305, 488, 508, 580, 610, 635, 1016, 1160, 1220, 1270, 1769, 2440, 2540, 3538, 3683, 5080, 7076, 7366, 7747, 8845, 14152, 14732, 15494, 17690, 18415, 29464, 30988, 35380, 36830, 38735, 61976, 70760, 73660, 77470, 147320, 154940, 224663, 309880, 449326, 898652, 1123315, 1797304, 2246630, 4493260, 8986520]

約数ペア:

[(1, 8986520), (2, 4493260), (4, 2246630), (5, 1797304), (8, 1123315), (10, 898652), (20, 449326), (29, 309880), (40, 224663), (58, 154940), (61, 147320), (116, 77470), (122, 73660), (127, 70760), (145, 61976), (232, 38735), (244, 36830), (254, 35380), (290, 30988), (305, 29464), (488, 18415), (508, 17690), (580, 15494), (610, 14732), (635, 14152), (1016, 8845), (1160, 7747), (1220, 7366), (1270, 7076), (1769, 5080), (2440, 3683), (2540, 3538)]