9042020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 20744640

約数和(自身を除く): 11702620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 419, 830, 838, 1079, 1660, 1676, 2095, 2158, 4190, 4316, 5395, 5447, 8380, 10790, 10894, 21580, 21788, 27235, 34777, 54470, 69554, 108940, 139108, 173885, 347770, 452101, 695540, 904202, 1808404, 2260505, 4521010, 9042020]

約数ペア:

[(1, 9042020), (2, 4521010), (4, 2260505), (5, 1808404), (10, 904202), (13, 695540), (20, 452101), (26, 347770), (52, 173885), (65, 139108), (83, 108940), (130, 69554), (166, 54470), (260, 34777), (332, 27235), (415, 21788), (419, 21580), (830, 10894), (838, 10790), (1079, 8380), (1660, 5447), (1676, 5395), (2095, 4316), (2158, 4190)]