87037780

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{3541}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 182979720

約数和(自身を除く): 95941940

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 3541, 4916, 6145, 7082, 12290, 14164, 17705, 24580, 35410, 70820, 4351889, 8703778, 17407556, 21759445, 43518890, 87037780]

約数ペア:

[(1, 87037780), (2, 43518890), (4, 21759445), (5, 17407556), (10, 8703778), (20, 4351889), (1229, 70820), (2458, 35410), (3541, 24580), (4916, 17705), (6145, 14164), (7082, 12290)]