264139840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26627}}^1$

素因数の和:26675

約数の個数: 56

約数和(自身を含む): 649297152

約数和(自身を除く): 385157312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 26627, 53254, 106508, 133135, 213016, 266270, 426032, 532540, 825437, 852064, 1065080, 1650874, 1704128, 2130160, 3301748, 4127185, 4260320, 6603496, 8254370, 8520640, 13206992, 16508740, 26413984, 33017480, 52827968, 66034960, 132069920, 264139840]

約数ペア:

[(1, 264139840), (2, 132069920), (4, 66034960), (5, 52827968), (8, 33017480), (10, 26413984), (16, 16508740), (20, 13206992), (31, 8520640), (32, 8254370), (40, 6603496), (62, 4260320), (64, 4127185), (80, 3301748), (124, 2130160), (155, 1704128), (160, 1650874), (248, 1065080), (310, 852064), (320, 825437), (496, 532540), (620, 426032), (992, 266270), (1240, 213016), (1984, 133135), (2480, 106508), (4960, 53254), (9920, 26627)]