8857656860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{792277}}^1$

素因数の和:792342

約数の個数: 48

約数和(自身を含む): 20497816416

約数和(自身を除く): 11640159556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 792277, 1584554, 3169108, 3961385, 7922770, 10299601, 15845540, 20599202, 34067911, 41198404, 51498005, 68135822, 102996010, 136271644, 170339555, 205992020, 340679110, 442882843, 681358220, 885765686, 1771531372, 2214414215, 4428828430, 8857656860]

約数ペア:

[(1, 8857656860), (2, 4428828430), (4, 2214414215), (5, 1771531372), (10, 885765686), (13, 681358220), (20, 442882843), (26, 340679110), (43, 205992020), (52, 170339555), (65, 136271644), (86, 102996010), (130, 68135822), (172, 51498005), (215, 41198404), (260, 34067911), (430, 20599202), (559, 15845540), (860, 10299601), (1118, 7922770), (2236, 3961385), (2795, 3169108), (5590, 1584554), (11180, 792277)]