42945640

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1907}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 96850080

約数和(自身を除く): 53904440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1907, 2252, 2815, 3814, 4504, 5630, 7628, 9535, 11260, 15256, 19070, 22520, 38140, 76280, 1073641, 2147282, 4294564, 5368205, 8589128, 10736410, 21472820, 42945640]

約数ペア:

[(1, 42945640), (2, 21472820), (4, 10736410), (5, 8589128), (8, 5368205), (10, 4294564), (20, 2147282), (40, 1073641), (563, 76280), (1126, 38140), (1907, 22520), (2252, 19070), (2815, 15256), (3814, 11260), (4504, 9535), (5630, 7628)]