54490880

素因数分解:

$2^8\times 5^1\times {\mathrm{42571}}^1$

素因数の和:42592

約数の個数: 36

約数和(自身を含む): 130525752

約数和(自身を除く): 76034872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 42571, 85142, 170284, 212855, 340568, 425710, 681136, 851420, 1362272, 1702840, 2724544, 3405680, 5449088, 6811360, 10898176, 13622720, 27245440, 54490880]

約数ペア:

[(1, 54490880), (2, 27245440), (4, 13622720), (5, 10898176), (8, 6811360), (10, 5449088), (16, 3405680), (20, 2724544), (32, 1702840), (40, 1362272), (64, 851420), (80, 681136), (128, 425710), (160, 340568), (256, 212855), (320, 170284), (640, 85142), (1280, 42571)]