63216920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121571}}^1$

素因数の和:121595

約数の個数: 32

約数和(自身を含む): 153180720

約数和(自身を除く): 89963800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 121571, 243142, 486284, 607855, 972568, 1215710, 1580423, 2431420, 3160846, 4862840, 6321692, 7902115, 12643384, 15804230, 31608460, 63216920]

約数ペア:

[(1, 63216920), (2, 31608460), (4, 15804230), (5, 12643384), (8, 7902115), (10, 6321692), (13, 4862840), (20, 3160846), (26, 2431420), (40, 1580423), (52, 1215710), (65, 972568), (104, 607855), (130, 486284), (260, 243142), (520, 121571)]