201509920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40627}}^1$

素因数の和:40673

約数の個数: 48

約数和(自身を含む): 491436288

約数和(自身を除く): 289926368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 40627, 81254, 162508, 203135, 325016, 406270, 650032, 812540, 1259437, 1300064, 1625080, 2518874, 3250160, 5037748, 6297185, 6500320, 10075496, 12594370, 20150992, 25188740, 40301984, 50377480, 100754960, 201509920]

約数ペア:

[(1, 201509920), (2, 100754960), (4, 50377480), (5, 40301984), (8, 25188740), (10, 20150992), (16, 12594370), (20, 10075496), (31, 6500320), (32, 6297185), (40, 5037748), (62, 3250160), (80, 2518874), (124, 1625080), (155, 1300064), (160, 1259437), (248, 812540), (310, 650032), (496, 406270), (620, 325016), (992, 203135), (1240, 162508), (2480, 81254), (4960, 40627)]