25461995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 9918805

約数列:

[1, 5, 13, 19, 53, 65, 95, 247, 265, 389, 689, 1007, 1235, 1945, 3445, 5035, 5057, 7391, 13091, 20617, 25285, 36955, 65455, 96083, 103085, 268021, 391723, 480415, 1340105, 1958615, 5092399, 25461995]

約数ペア:

[(1, 25461995), (5, 5092399), (13, 1958615), (19, 1340105), (53, 480415), (65, 391723), (95, 268021), (247, 103085), (265, 96083), (389, 65455), (689, 36955), (1007, 25285), (1235, 20617), (1945, 13091), (3445, 7391), (5035, 5057)]