129837920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26177}}^1$

素因数の和:26223

約数の個数: 48

約数和(自身を含む): 316649088

約数和(自身を除く): 186811168

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, 26177, 52354, 104708, 130885, 209416, 261770, 418832, 523540, 811487, 837664, 1047080, 1622974, 2094160, 3245948, 4057435, 4188320, 6491896, 8114870, 12983792, 16229740, 25967584, 32459480, 64918960, 129837920]

約数ペア:

[(1, 129837920), (2, 64918960), (4, 32459480), (5, 25967584), (8, 16229740), (10, 12983792), (16, 8114870), (20, 6491896), (31, 4188320), (32, 4057435), (40, 3245948), (62, 2094160), (80, 1622974), (124, 1047080), (155, 837664), (160, 811487), (248, 523540), (310, 418832), (496, 261770), (620, 209416), (992, 130885), (1240, 104708), (2480, 52354), (4960, 26177)]