51909910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{953}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 100971360

約数和(自身を除く): 49061450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 953, 1906, 2095, 4190, 4765, 5447, 9530, 10894, 12389, 24778, 27235, 54470, 61945, 123890, 399307, 798614, 1996535, 3993070, 5190991, 10381982, 25954955, 51909910]

約数ペア:

[(1, 51909910), (2, 25954955), (5, 10381982), (10, 5190991), (13, 3993070), (26, 1996535), (65, 798614), (130, 399307), (419, 123890), (838, 61945), (953, 54470), (1906, 27235), (2095, 24778), (4190, 12389), (4765, 10894), (5447, 9530)]