15705513520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1801091}}^1$

素因数の和:1801213

約数の個数: 40

約数和(自身を含む): 36850342320

約数和(自身を除く): 21144828800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 1801091, 3602182, 7204364, 9005455, 14408728, 18010910, 28817456, 36021820, 72043640, 144087280, 196318919, 392637838, 785275676, 981594595, 1570551352, 1963189190, 3141102704, 3926378380, 7852756760, 15705513520]

約数ペア:

[(1, 15705513520), (2, 7852756760), (4, 3926378380), (5, 3141102704), (8, 1963189190), (10, 1570551352), (16, 981594595), (20, 785275676), (40, 392637838), (80, 196318919), (109, 144087280), (218, 72043640), (436, 36021820), (545, 28817456), (872, 18010910), (1090, 14408728), (1744, 9005455), (2180, 7204364), (4360, 3602182), (8720, 1801091)]