25221427760

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1650617}}^1$

素因数の和:1650821

約数の個数: 40

約数和(自身を含む): 58946870016

約数和(自身を除く): 33725442256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 1650617, 3301234, 6602468, 8253085, 13204936, 16506170, 26409872, 33012340, 66024680, 132049360, 315267847, 630535694, 1261071388, 1576339235, 2522142776, 3152678470, 5044285552, 6305356940, 12610713880, 25221427760]

約数ペア:

[(1, 25221427760), (2, 12610713880), (4, 6305356940), (5, 5044285552), (8, 3152678470), (10, 2522142776), (16, 1576339235), (20, 1261071388), (40, 630535694), (80, 315267847), (191, 132049360), (382, 66024680), (764, 33012340), (955, 26409872), (1528, 16506170), (1910, 13204936), (3056, 8253085), (3820, 6602468), (7640, 3301234), (15280, 1650617)]