155514264520

素因数分解:

$2^3\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2539423}}^1$

素因数の和:2540965

約数の個数: 32

約数和(自身を含む): 350135781120

約数和(自身を除く): 194621516600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1531, 3062, 6124, 7655, 12248, 15310, 30620, 61240, 2539423, 5078846, 10157692, 12697115, 20315384, 25394230, 50788460, 101576920, 3887856613, 7775713226, 15551426452, 19439283065, 31102852904, 38878566130, 77757132260, 155514264520]

約数ペア:

[(1, 155514264520), (2, 77757132260), (4, 38878566130), (5, 31102852904), (8, 19439283065), (10, 15551426452), (20, 7775713226), (40, 3887856613), (1531, 101576920), (3062, 50788460), (6124, 25394230), (7655, 20315384), (12248, 12697115), (15310, 10157692), (30620, 5078846), (61240, 2539423)]