2581678840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{74101}}^1$

素因数の和:74192

約数の個数: 64

約数和(自身を含む): 6349059360

約数和(自身を除く): 3767380520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 34840, 74101, 148202, 296404, 370505, 592808, 741010, 963313, 1482020, 1926626, 2964040, 3853252, 4816565, 4964767, 7706504, 9633130, 9929534, 19266260, 19859068, 24823835, 38532520, 39718136, 49647670, 64541971, 99295340, 129083942, 198590680, 258167884, 322709855, 516335768, 645419710, 1290839420, 2581678840]

約数ペア:

[(1, 2581678840), (2, 1290839420), (4, 645419710), (5, 516335768), (8, 322709855), (10, 258167884), (13, 198590680), (20, 129083942), (26, 99295340), (40, 64541971), (52, 49647670), (65, 39718136), (67, 38532520), (104, 24823835), (130, 19859068), (134, 19266260), (260, 9929534), (268, 9633130), (335, 7706504), (520, 4964767), (536, 4816565), (670, 3853252), (871, 2964040), (1340, 1926626), (1742, 1482020), (2680, 963313), (3484, 741010), (4355, 592808), (6968, 370505), (8710, 296404), (17420, 148202), (34840, 74101)]