90008260

素因数分解:

$2^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{2281}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 189196056

約数和(自身を除く): 99187796

約数列:

[1, 2, 4, 5, 10, 20, 1973, 2281, 3946, 4562, 7892, 9124, 9865, 11405, 19730, 22810, 39460, 45620, 4500413, 9000826, 18001652, 22502065, 45004130, 90008260]

約数ペア:

[(1, 90008260), (2, 45004130), (4, 22502065), (5, 18001652), (10, 9000826), (20, 4500413), (1973, 45620), (2281, 39460), (3946, 22810), (4562, 19730), (7892, 11405), (9124, 9865)]