101913520

素因数分解:

$2^4\times 5^1\times {\mathrm{1273919}}^1$

素因数の和:1273932

約数の個数: 20

約数和(自身を含む): 236949120

約数和(自身を除く): 135035600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1273919, 2547838, 5095676, 6369595, 10191352, 12739190, 20382704, 25478380, 50956760, 101913520]

約数ペア:

[(1, 101913520), (2, 50956760), (4, 25478380), (5, 20382704), (8, 12739190), (10, 10191352), (16, 6369595), (20, 5095676), (40, 2547838), (80, 1273919)]