9890840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 23556960

約数和(自身を除く): 13666120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 163, 164, 185, 205, 296, 326, 328, 370, 410, 652, 740, 815, 820, 1304, 1480, 1517, 1630, 1640, 3034, 3260, 6031, 6068, 6520, 6683, 7585, 12062, 12136, 13366, 15170, 24124, 26732, 30155, 30340, 33415, 48248, 53464, 60310, 60680, 66830, 120620, 133660, 241240, 247271, 267320, 494542, 989084, 1236355, 1978168, 2472710, 4945420, 9890840]

約数ペア:

[(1, 9890840), (2, 4945420), (4, 2472710), (5, 1978168), (8, 1236355), (10, 989084), (20, 494542), (37, 267320), (40, 247271), (41, 241240), (74, 133660), (82, 120620), (148, 66830), (163, 60680), (164, 60310), (185, 53464), (205, 48248), (296, 33415), (326, 30340), (328, 30155), (370, 26732), (410, 24124), (652, 15170), (740, 13366), (815, 12136), (820, 12062), (1304, 7585), (1480, 6683), (1517, 6520), (1630, 6068), (1640, 6031), (3034, 3260)]