88951420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{72911}}^1$

素因数の和:72981

約数の個数: 24

約数和(自身を含む): 189862848

約数和(自身を除く): 100911428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 72911, 145822, 291644, 364555, 729110, 1458220, 4447571, 8895142, 17790284, 22237855, 44475710, 88951420]

約数ペア:

[(1, 88951420), (2, 44475710), (4, 22237855), (5, 17790284), (10, 8895142), (20, 4447571), (61, 1458220), (122, 729110), (244, 364555), (305, 291644), (610, 145822), (1220, 72911)]