55317640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6373}}^1$

素因数の和:6422

約数の個数: 64

約数和(自身を含む): 146856960

約数和(自身を除く): 91539320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 6373, 8680, 12746, 25492, 31865, 44611, 50984, 63730, 89222, 127460, 178444, 197563, 223055, 254920, 356888, 395126, 446110, 790252, 892220, 987815, 1382941, 1580504, 1784440, 1975630, 2765882, 3951260, 5531764, 6914705, 7902520, 11063528, 13829410, 27658820, 55317640]

約数ペア:

[(1, 55317640), (2, 27658820), (4, 13829410), (5, 11063528), (7, 7902520), (8, 6914705), (10, 5531764), (14, 3951260), (20, 2765882), (28, 1975630), (31, 1784440), (35, 1580504), (40, 1382941), (56, 987815), (62, 892220), (70, 790252), (124, 446110), (140, 395126), (155, 356888), (217, 254920), (248, 223055), (280, 197563), (310, 178444), (434, 127460), (620, 89222), (868, 63730), (1085, 50984), (1240, 44611), (1736, 31865), (2170, 25492), (4340, 12746), (6373, 8680)]