64702040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124427}}^1$

素因数の和:124451

約数の個数: 32

約数和(自身を含む): 156779280

約数和(自身を除く): 92077240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124427, 248854, 497708, 622135, 995416, 1244270, 1617551, 2488540, 3235102, 4977080, 6470204, 8087755, 12940408, 16175510, 32351020, 64702040]

約数ペア:

[(1, 64702040), (2, 32351020), (4, 16175510), (5, 12940408), (8, 8087755), (10, 6470204), (13, 4977080), (20, 3235102), (26, 2488540), (40, 1617551), (52, 1244270), (65, 995416), (104, 622135), (130, 497708), (260, 248854), (520, 124427)]