26573125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 36607032

約数和(自身を除く): 10033907

約数列:

[1, 5, 17, 25, 41, 61, 85, 125, 205, 305, 425, 625, 697, 1025, 1037, 1525, 2125, 2501, 3485, 5125, 5185, 7625, 10625, 12505, 17425, 25625, 25925, 38125, 42517, 62525, 87125, 129625, 212585, 312625, 435625, 648125, 1062925, 1563125, 5314625, 26573125]

約数ペア:

[(1, 26573125), (5, 5314625), (17, 1563125), (25, 1062925), (41, 648125), (61, 435625), (85, 312625), (125, 212585), (205, 129625), (305, 87125), (425, 62525), (625, 42517), (697, 38125), (1025, 25925), (1037, 25625), (1525, 17425), (2125, 12505), (2501, 10625), (3485, 7625), (5125, 5185)]