87168050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 168129864

約数和(自身を除く): 80961814

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 101, 202, 205, 410, 421, 505, 842, 1010, 1025, 2050, 2105, 2525, 4141, 4210, 5050, 8282, 10525, 17261, 20705, 21050, 34522, 41410, 42521, 85042, 86305, 103525, 172610, 207050, 212605, 425210, 431525, 863050, 1063025, 1743361, 2126050, 3486722, 8716805, 17433610, 43584025, 87168050]

約数ペア:

[(1, 87168050), (2, 43584025), (5, 17433610), (10, 8716805), (25, 3486722), (41, 2126050), (50, 1743361), (82, 1063025), (101, 863050), (202, 431525), (205, 425210), (410, 212605), (421, 207050), (505, 172610), (842, 103525), (1010, 86305), (1025, 85042), (2050, 42521), (2105, 41410), (2525, 34522), (4141, 21050), (4210, 20705), (5050, 17261), (8282, 10525)]