874403720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{3271}}^1$

素因数の和:3486

約数の個数: 64

約数和(自身を含む): 2028378240

約数和(自身を除く): 1153974520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 652, 815, 820, 1304, 1630, 1640, 3260, 3271, 6520, 6542, 6683, 13084, 13366, 16355, 26168, 26732, 32710, 33415, 53464, 65420, 66830, 130840, 133660, 134111, 267320, 268222, 533173, 536444, 670555, 1066346, 1072888, 1341110, 2132692, 2665865, 2682220, 4265384, 5331730, 5364440, 10663460, 21326920, 21860093, 43720186, 87440372, 109300465, 174880744, 218600930, 437201860, 874403720]

約数ペア:

[(1, 874403720), (2, 437201860), (4, 218600930), (5, 174880744), (8, 109300465), (10, 87440372), (20, 43720186), (40, 21860093), (41, 21326920), (82, 10663460), (163, 5364440), (164, 5331730), (205, 4265384), (326, 2682220), (328, 2665865), (410, 2132692), (652, 1341110), (815, 1072888), (820, 1066346), (1304, 670555), (1630, 536444), (1640, 533173), (3260, 268222), (3271, 267320), (6520, 134111), (6542, 133660), (6683, 130840), (13084, 66830), (13366, 65420), (16355, 53464), (26168, 33415), (26732, 32710)]