636228520

素因数分解:

$2^3\times 5^1\times {\mathrm{3313}}^1\times {\mathrm{4801}}^1$

素因数の和:8125

約数の個数: 32

約数和(自身を含む): 1432244520

約数和(自身を除く): 796016000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3313, 4801, 6626, 9602, 13252, 16565, 19204, 24005, 26504, 33130, 38408, 48010, 66260, 96020, 132520, 192040, 15905713, 31811426, 63622852, 79528565, 127245704, 159057130, 318114260, 636228520]

約数ペア:

[(1, 636228520), (2, 318114260), (4, 159057130), (5, 127245704), (8, 79528565), (10, 63622852), (20, 31811426), (40, 15905713), (3313, 192040), (4801, 132520), (6626, 96020), (9602, 66260), (13252, 48010), (16565, 38408), (19204, 33130), (24005, 26504)]