66852860

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3373}}^1$

素因数の和:4373

約数の個数: 24

約数和(自身を含む): 140574336

約数和(自身を除く): 73721476

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3373, 3964, 4955, 6746, 9910, 13492, 16865, 19820, 33730, 67460, 3342643, 6685286, 13370572, 16713215, 33426430, 66852860]

約数ペア:

[(1, 66852860), (2, 33426430), (4, 16713215), (5, 13370572), (10, 6685286), (20, 3342643), (991, 67460), (1982, 33730), (3373, 19820), (3964, 16865), (4955, 13492), (6746, 9910)]