90570400

素因数分解:

$2^5\times 5^2\times {\mathrm{113213}}^1$

素因数の和:113233

約数の個数: 36

約数和(自身を含む): 221106942

約数和(自身を除く): 130536542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 113213, 226426, 452852, 566065, 905704, 1132130, 1811408, 2264260, 2830325, 3622816, 4528520, 5660650, 9057040, 11321300, 18114080, 22642600, 45285200, 90570400]

約数ペア:

[(1, 90570400), (2, 45285200), (4, 22642600), (5, 18114080), (8, 11321300), (10, 9057040), (16, 5660650), (20, 4528520), (25, 3622816), (32, 2830325), (40, 2264260), (50, 1811408), (80, 1132130), (100, 905704), (160, 566065), (200, 452852), (400, 226426), (800, 113213)]