28004560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9461}}^1$

素因数の和:9511

約数の個数: 40

約数和(自身を含む): 66877416

約数和(自身を除く): 38872856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9461, 18922, 37844, 47305, 75688, 94610, 151376, 189220, 350057, 378440, 700114, 756880, 1400228, 1750285, 2800456, 3500570, 5600912, 7001140, 14002280, 28004560]

約数ペア:

[(1, 28004560), (2, 14002280), (4, 7001140), (5, 5600912), (8, 3500570), (10, 2800456), (16, 1750285), (20, 1400228), (37, 756880), (40, 700114), (74, 378440), (80, 350057), (148, 189220), (185, 151376), (296, 94610), (370, 75688), (592, 47305), (740, 37844), (1480, 18922), (2960, 9461)]