57157880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109919}}^1$

素因数の和:109943

約数の個数: 32

約数和(自身を含む): 138499200

約数和(自身を除く): 81341320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109919, 219838, 439676, 549595, 879352, 1099190, 1428947, 2198380, 2857894, 4396760, 5715788, 7144735, 11431576, 14289470, 28578940, 57157880]

約数ペア:

[(1, 57157880), (2, 28578940), (4, 14289470), (5, 11431576), (8, 7144735), (10, 5715788), (13, 4396760), (20, 2857894), (26, 2198380), (40, 1428947), (52, 1099190), (65, 879352), (104, 549595), (130, 439676), (260, 219838), (520, 109919)]