201252440

素因数分解:

$2^3\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{2309}}^1$

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 453222000

約数和(自身を除く): 251969560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2179, 2309, 4358, 4618, 8716, 9236, 10895, 11545, 17432, 18472, 21790, 23090, 43580, 46180, 87160, 92360, 5031311, 10062622, 20125244, 25156555, 40250488, 50313110, 100626220, 201252440]

約数ペア:

[(1, 201252440), (2, 100626220), (4, 50313110), (5, 40250488), (8, 25156555), (10, 20125244), (20, 10062622), (40, 5031311), (2179, 92360), (2309, 87160), (4358, 46180), (4618, 43580), (8716, 23090), (9236, 21790), (10895, 18472), (11545, 17432)]