5199640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 11896560

約数和(自身を除く): 6696920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2131, 2440, 4262, 8524, 10655, 17048, 21310, 42620, 85240, 129991, 259982, 519964, 649955, 1039928, 1299910, 2599820, 5199640]

約数ペア:

[(1, 5199640), (2, 2599820), (4, 1299910), (5, 1039928), (8, 649955), (10, 519964), (20, 259982), (40, 129991), (61, 85240), (122, 42620), (244, 21310), (305, 17048), (488, 10655), (610, 8524), (1220, 4262), (2131, 2440)]