27658820

素因数分解:

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

素因数の和:6420

約数の個数: 48

約数和(自身を含む): 68533248

約数和(自身を除く): 40874428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6373, 12746, 25492, 31865, 44611, 63730, 89222, 127460, 178444, 197563, 223055, 395126, 446110, 790252, 892220, 987815, 1382941, 1975630, 2765882, 3951260, 5531764, 6914705, 13829410, 27658820]

約数ペア:

[(1, 27658820), (2, 13829410), (4, 6914705), (5, 5531764), (7, 3951260), (10, 2765882), (14, 1975630), (20, 1382941), (28, 987815), (31, 892220), (35, 790252), (62, 446110), (70, 395126), (124, 223055), (140, 197563), (155, 178444), (217, 127460), (310, 89222), (434, 63730), (620, 44611), (868, 31865), (1085, 25492), (2170, 12746), (4340, 6373)]