89702960

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1777}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 209007456

約数和(自身を除く): 119304496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 1777, 2524, 3155, 3554, 5048, 6310, 7108, 8885, 10096, 12620, 14216, 17770, 25240, 28432, 35540, 50480, 71080, 142160, 1121287, 2242574, 4485148, 5606435, 8970296, 11212870, 17940592, 22425740, 44851480, 89702960]

約数ペア:

[(1, 89702960), (2, 44851480), (4, 22425740), (5, 17940592), (8, 11212870), (10, 8970296), (16, 5606435), (20, 4485148), (40, 2242574), (80, 1121287), (631, 142160), (1262, 71080), (1777, 50480), (2524, 35540), (3155, 28432), (3554, 25240), (5048, 17770), (6310, 14216), (7108, 12620), (8885, 10096)]