202809620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{780037}}^1$

素因数の和:780059

約数の個数: 24

約数和(自身を含む): 458662344

約数和(自身を除く): 255852724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 780037, 1560074, 3120148, 3900185, 7800370, 10140481, 15600740, 20280962, 40561924, 50702405, 101404810, 202809620]

約数ペア:

[(1, 202809620), (2, 101404810), (4, 50702405), (5, 40561924), (10, 20280962), (13, 15600740), (20, 10140481), (26, 7800370), (52, 3900185), (65, 3120148), (130, 1560074), (260, 780037)]