64745200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12482

約数の個数: 60

約数和(自身を含む): 167529208

約数和(自身を除く): 102784008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12451, 24902, 49804, 62255, 99608, 124510, 161863, 199216, 249020, 311275, 323726, 498040, 622550, 647452, 809315, 996080, 1245100, 1294904, 1618630, 2490200, 2589808, 3237260, 4046575, 4980400, 6474520, 8093150, 12949040, 16186300, 32372600, 64745200]

約数ペア:

[(1, 64745200), (2, 32372600), (4, 16186300), (5, 12949040), (8, 8093150), (10, 6474520), (13, 4980400), (16, 4046575), (20, 3237260), (25, 2589808), (26, 2490200), (40, 1618630), (50, 1294904), (52, 1245100), (65, 996080), (80, 809315), (100, 647452), (104, 622550), (130, 498040), (200, 323726), (208, 311275), (260, 249020), (325, 199216), (400, 161863), (520, 124510), (650, 99608), (1040, 62255), (1300, 49804), (2600, 24902), (5200, 12451)]