26708979020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1\times {\mathrm{17609}}^1$

素因数の和:18218

約数の個数: 48

約数和(自身を含む): 56536552800

約数和(自身を除く): 29827573780

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 419, 724, 838, 905, 1676, 1810, 2095, 3620, 4190, 8380, 17609, 35218, 70436, 75839, 88045, 151678, 176090, 303356, 352180, 379195, 758390, 1516780, 3187229, 6374458, 7378171, 12748916, 14756342, 15936145, 29512684, 31872290, 36890855, 63744580, 73781710, 147563420, 1335448951, 2670897902, 5341795804, 6677244755, 13354489510, 26708979020]

約数ペア:

[(1, 26708979020), (2, 13354489510), (4, 6677244755), (5, 5341795804), (10, 2670897902), (20, 1335448951), (181, 147563420), (362, 73781710), (419, 63744580), (724, 36890855), (838, 31872290), (905, 29512684), (1676, 15936145), (1810, 14756342), (2095, 12748916), (3620, 7378171), (4190, 6374458), (8380, 3187229), (17609, 1516780), (35218, 758390), (70436, 379195), (75839, 352180), (88045, 303356), (151678, 176090)]