28177250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 54054000

約数和(自身を除く): 25876750

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2749, 5125, 5498, 10250, 13745, 27490, 68725, 112709, 137450, 225418, 343625, 563545, 687250, 1127090, 2817725, 5635450, 14088625, 28177250]

約数ペア:

[(1, 28177250), (2, 14088625), (5, 5635450), (10, 2817725), (25, 1127090), (41, 687250), (50, 563545), (82, 343625), (125, 225418), (205, 137450), (250, 112709), (410, 68725), (1025, 27490), (2050, 13745), (2749, 10250), (5125, 5498)]