23405440

素因数分解:

$2^7\times 5^1\times {\mathrm{36571}}^1$

素因数の和:36590

約数の個数: 32

約数和(自身を含む): 55955160

約数和(自身を除く): 32549720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 36571, 73142, 146284, 182855, 292568, 365710, 585136, 731420, 1170272, 1462840, 2340544, 2925680, 4681088, 5851360, 11702720, 23405440]

約数ペア:

[(1, 23405440), (2, 11702720), (4, 5851360), (5, 4681088), (8, 2925680), (10, 2340544), (16, 1462840), (20, 1170272), (32, 731420), (40, 585136), (64, 365710), (80, 292568), (128, 182855), (160, 146284), (320, 73142), (640, 36571)]