51147560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75217}}^1$

素因数の和:75245

約数の個数: 32

約数和(自身を含む): 121853160

約数和(自身を除く): 70705600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 75217, 150434, 300868, 376085, 601736, 752170, 1278689, 1504340, 2557378, 3008680, 5114756, 6393445, 10229512, 12786890, 25573780, 51147560]

約数ペア:

[(1, 51147560), (2, 25573780), (4, 12786890), (5, 10229512), (8, 6393445), (10, 5114756), (17, 3008680), (20, 2557378), (34, 1504340), (40, 1278689), (68, 752170), (85, 601736), (136, 376085), (170, 300868), (340, 150434), (680, 75217)]