25778545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 10418735

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 569, 697, 1105, 2665, 2845, 3485, 7397, 9061, 9673, 23329, 36985, 45305, 48365, 116645, 125749, 303277, 396593, 628745, 1516385, 1982965, 5155709, 25778545]

約数ペア:

[(1, 25778545), (5, 5155709), (13, 1982965), (17, 1516385), (41, 628745), (65, 396593), (85, 303277), (205, 125749), (221, 116645), (533, 48365), (569, 45305), (697, 36985), (1105, 23329), (2665, 9673), (2845, 9061), (3485, 7397)]