20129691350

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{751}}^1\times {\mathrm{2243}}^1$

素因数の和:3245

約数の個数: 48

約数和(自身を含む): 37664732160

約数和(自身を除く): 17535040810

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 751, 1195, 1502, 2243, 2390, 3755, 4486, 5975, 7510, 11215, 11950, 18775, 22430, 37550, 56075, 112150, 179489, 358978, 536077, 897445, 1072154, 1684493, 1794890, 2680385, 3368986, 4487225, 5360770, 8422465, 8974450, 13401925, 16844930, 26803850, 42112325, 84224650, 402593827, 805187654, 2012969135, 4025938270, 10064845675, 20129691350]

約数ペア:

[(1, 20129691350), (2, 10064845675), (5, 4025938270), (10, 2012969135), (25, 805187654), (50, 402593827), (239, 84224650), (478, 42112325), (751, 26803850), (1195, 16844930), (1502, 13401925), (2243, 8974450), (2390, 8422465), (3755, 5360770), (4486, 4487225), (5975, 3368986), (7510, 2680385), (11215, 1794890), (11950, 1684493), (18775, 1072154), (22430, 897445), (37550, 536077), (56075, 358978), (112150, 179489)]