12857560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10369}}^1$

素因数の和:10411

約数の個数: 32

約数和(自身を含む): 29865600

約数和(自身を除く): 17008040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10369, 20738, 41476, 51845, 82952, 103690, 207380, 321439, 414760, 642878, 1285756, 1607195, 2571512, 3214390, 6428780, 12857560]

約数ペア:

[(1, 12857560), (2, 6428780), (4, 3214390), (5, 2571512), (8, 1607195), (10, 1285756), (20, 642878), (31, 414760), (40, 321439), (62, 207380), (124, 103690), (155, 82952), (248, 51845), (310, 41476), (620, 20738), (1240, 10369)]