90130840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77699}}^1$

素因数の和:77739

約数の個数: 32

約数和(自身を含む): 209790000

約数和(自身を除く): 119659160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77699, 155398, 310796, 388495, 621592, 776990, 1553980, 2253271, 3107960, 4506542, 9013084, 11266355, 18026168, 22532710, 45065420, 90130840]

約数ペア:

[(1, 90130840), (2, 45065420), (4, 22532710), (5, 18026168), (8, 11266355), (10, 9013084), (20, 4506542), (29, 3107960), (40, 2253271), (58, 1553980), (116, 776990), (145, 621592), (232, 388495), (290, 310796), (580, 155398), (1160, 77699)]