25322180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 61014408

約数和(自身を除く): 35692228

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 337, 340, 442, 578, 674, 884, 1105, 1156, 1348, 1445, 1685, 2210, 2890, 3370, 3757, 4381, 4420, 5729, 5780, 6740, 7514, 8762, 11458, 15028, 17524, 18785, 21905, 22916, 28645, 37570, 43810, 57290, 74477, 75140, 87620, 97393, 114580, 148954, 194786, 297908, 372385, 389572, 486965, 744770, 973930, 1266109, 1489540, 1947860, 2532218, 5064436, 6330545, 12661090, 25322180]

約数ペア:

[(1, 25322180), (2, 12661090), (4, 6330545), (5, 5064436), (10, 2532218), (13, 1947860), (17, 1489540), (20, 1266109), (26, 973930), (34, 744770), (52, 486965), (65, 389572), (68, 372385), (85, 297908), (130, 194786), (170, 148954), (221, 114580), (260, 97393), (289, 87620), (337, 75140), (340, 74477), (442, 57290), (578, 43810), (674, 37570), (884, 28645), (1105, 22916), (1156, 21905), (1348, 18785), (1445, 17524), (1685, 15028), (2210, 11458), (2890, 8762), (3370, 7514), (3757, 6740), (4381, 5780), (4420, 5729)]