13221250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{1511}}^1$

素因数の和:1540

約数の個数: 40

約数和(自身を含む): 28340928

約数和(自身を除く): 15119678

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1511, 1750, 3022, 4375, 7555, 8750, 10577, 15110, 21154, 37775, 52885, 75550, 105770, 188875, 264425, 377750, 528850, 944375, 1322125, 1888750, 2644250, 6610625, 13221250]

約数ペア:

[(1, 13221250), (2, 6610625), (5, 2644250), (7, 1888750), (10, 1322125), (14, 944375), (25, 528850), (35, 377750), (50, 264425), (70, 188875), (125, 105770), (175, 75550), (250, 52885), (350, 37775), (625, 21154), (875, 15110), (1250, 10577), (1511, 8750), (1750, 7555), (3022, 4375)]