18285440

素因数分解:

$2^7\times 5^1\times {\mathrm{28571}}^1$

素因数の和:28590

約数の個数: 32

約数和(自身を含む): 43715160

約数和(自身を除く): 25429720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28571, 57142, 114284, 142855, 228568, 285710, 457136, 571420, 914272, 1142840, 1828544, 2285680, 3657088, 4571360, 9142720, 18285440]

約数ペア:

[(1, 18285440), (2, 9142720), (4, 4571360), (5, 3657088), (8, 2285680), (10, 1828544), (16, 1142840), (20, 914272), (32, 571420), (40, 457136), (64, 285710), (80, 228568), (128, 142855), (160, 114284), (320, 57142), (640, 28571)]