8475220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 19707408

約数和(自身を除く): 11232188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 881, 962, 1762, 1924, 2405, 3524, 4405, 4810, 8810, 9620, 11453, 17620, 22906, 32597, 45812, 57265, 65194, 114530, 130388, 162985, 229060, 325970, 423761, 651940, 847522, 1695044, 2118805, 4237610, 8475220]

約数ペア:

[(1, 8475220), (2, 4237610), (4, 2118805), (5, 1695044), (10, 847522), (13, 651940), (20, 423761), (26, 325970), (37, 229060), (52, 162985), (65, 130388), (74, 114530), (130, 65194), (148, 57265), (185, 45812), (260, 32597), (370, 22906), (481, 17620), (740, 11453), (881, 9620), (962, 8810), (1762, 4810), (1924, 4405), (2405, 3524)]