25543520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9423

約数の個数: 48

約数和(自身を含む): 63903168

約数和(自身を除く): 38359648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9391, 18782, 37564, 46955, 75128, 93910, 150256, 159647, 187820, 300512, 319294, 375640, 638588, 751280, 798235, 1277176, 1502560, 1596470, 2554352, 3192940, 5108704, 6385880, 12771760, 25543520]

約数ペア:

[(1, 25543520), (2, 12771760), (4, 6385880), (5, 5108704), (8, 3192940), (10, 2554352), (16, 1596470), (17, 1502560), (20, 1277176), (32, 798235), (34, 751280), (40, 638588), (68, 375640), (80, 319294), (85, 300512), (136, 187820), (160, 159647), (170, 150256), (272, 93910), (340, 75128), (544, 46955), (680, 37564), (1360, 18782), (2720, 9391)]