90878380

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{3089}}^1$

素因数の和:4569

約数の個数: 24

約数和(自身を含む): 191036160

約数和(自身を除く): 100157780

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 3089, 5884, 6178, 7355, 12356, 14710, 15445, 29420, 30890, 61780, 4543919, 9087838, 18175676, 22719595, 45439190, 90878380]

約数ペア:

[(1, 90878380), (2, 45439190), (4, 22719595), (5, 18175676), (10, 9087838), (20, 4543919), (1471, 61780), (2942, 30890), (3089, 29420), (5884, 15445), (6178, 14710), (7355, 12356)]