12853003580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{515357}}^1$

素因数の和:515438

約数の個数: 48

約数和(自身を含む): 28571447520

約数和(自身を除く): 15718443940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 4988, 6235, 12470, 24940, 515357, 1030714, 2061428, 2576785, 5153570, 10307140, 14945353, 22160351, 29890706, 44320702, 59781412, 74726765, 88641404, 110801755, 149453530, 221603510, 298907060, 443207020, 642650179, 1285300358, 2570600716, 3213250895, 6426501790, 12853003580]

約数ペア:

[(1, 12853003580), (2, 6426501790), (4, 3213250895), (5, 2570600716), (10, 1285300358), (20, 642650179), (29, 443207020), (43, 298907060), (58, 221603510), (86, 149453530), (116, 110801755), (145, 88641404), (172, 74726765), (215, 59781412), (290, 44320702), (430, 29890706), (580, 22160351), (860, 14945353), (1247, 10307140), (2494, 5153570), (4988, 2576785), (6235, 2061428), (12470, 1030714), (24940, 515357)]