8890840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 23146560

約数和(自身を除く): 14255720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 281, 452, 562, 565, 791, 904, 1124, 1130, 1405, 1582, 1967, 2248, 2260, 2810, 3164, 3934, 3955, 4520, 5620, 6328, 7868, 7910, 9835, 11240, 15736, 15820, 19670, 31640, 31753, 39340, 63506, 78680, 127012, 158765, 222271, 254024, 317530, 444542, 635060, 889084, 1111355, 1270120, 1778168, 2222710, 4445420, 8890840]

約数ペア:

[(1, 8890840), (2, 4445420), (4, 2222710), (5, 1778168), (7, 1270120), (8, 1111355), (10, 889084), (14, 635060), (20, 444542), (28, 317530), (35, 254024), (40, 222271), (56, 158765), (70, 127012), (113, 78680), (140, 63506), (226, 39340), (280, 31753), (281, 31640), (452, 19670), (562, 15820), (565, 15736), (791, 11240), (904, 9835), (1124, 7910), (1130, 7868), (1405, 6328), (1582, 5620), (1967, 4520), (2248, 3955), (2260, 3934), (2810, 3164)]