12461380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 27417600

約数和(自身を除く): 14956220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 199, 202, 310, 398, 404, 505, 620, 796, 995, 1010, 1990, 2020, 3131, 3980, 6169, 6262, 12338, 12524, 15655, 20099, 24676, 30845, 31310, 40198, 61690, 62620, 80396, 100495, 123380, 200990, 401980, 623069, 1246138, 2492276, 3115345, 6230690, 12461380]

約数ペア:

[(1, 12461380), (2, 6230690), (4, 3115345), (5, 2492276), (10, 1246138), (20, 623069), (31, 401980), (62, 200990), (101, 123380), (124, 100495), (155, 80396), (199, 62620), (202, 61690), (310, 40198), (398, 31310), (404, 30845), (505, 24676), (620, 20099), (796, 15655), (995, 12524), (1010, 12338), (1990, 6262), (2020, 6169), (3131, 3980)]