40205360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 102347616

約数和(自身を除く): 62142256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 577, 670, 871, 1040, 1072, 1154, 1340, 1742, 2308, 2680, 2885, 3484, 4355, 4616, 5360, 5770, 6968, 7501, 8710, 9232, 11540, 13936, 15002, 17420, 23080, 30004, 34840, 37505, 38659, 46160, 60008, 69680, 75010, 77318, 120016, 150020, 154636, 193295, 300040, 309272, 386590, 502567, 600080, 618544, 773180, 1005134, 1546360, 2010268, 2512835, 3092720, 4020536, 5025670, 8041072, 10051340, 20102680, 40205360]

約数ペア:

[(1, 40205360), (2, 20102680), (4, 10051340), (5, 8041072), (8, 5025670), (10, 4020536), (13, 3092720), (16, 2512835), (20, 2010268), (26, 1546360), (40, 1005134), (52, 773180), (65, 618544), (67, 600080), (80, 502567), (104, 386590), (130, 309272), (134, 300040), (208, 193295), (260, 154636), (268, 150020), (335, 120016), (520, 77318), (536, 75010), (577, 69680), (670, 60008), (871, 46160), (1040, 38659), (1072, 37505), (1154, 34840), (1340, 30004), (1742, 23080), (2308, 17420), (2680, 15002), (2885, 13936), (3484, 11540), (4355, 9232), (4616, 8710), (5360, 7501), (5770, 6968)]