201930920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{30971}}^1$

素因数の和:31145

約数の個数: 32

約数和(自身を含む): 457146720

約数和(自身を除く): 255215800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 30971, 61942, 123884, 154855, 247768, 309710, 619420, 1238840, 5048273, 10096546, 20193092, 25241365, 40386184, 50482730, 100965460, 201930920]

約数ペア:

[(1, 201930920), (2, 100965460), (4, 50482730), (5, 40386184), (8, 25241365), (10, 20193092), (20, 10096546), (40, 5048273), (163, 1238840), (326, 619420), (652, 309710), (815, 247768), (1304, 154855), (1630, 123884), (3260, 61942), (6520, 30971)]