2599820

素因数分解:

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

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 5551728

約数和(自身を除く): 2951908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2131, 4262, 8524, 10655, 21310, 42620, 129991, 259982, 519964, 649955, 1299910, 2599820]

約数ペア:

[(1, 2599820), (2, 1299910), (4, 649955), (5, 519964), (10, 259982), (20, 129991), (61, 42620), (122, 21310), (244, 10655), (305, 8524), (610, 4262), (1220, 2131)]