90916360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28771}}^1$

素因数の和:28861

約数の個数: 32

約数和(自身を含む): 207158400

約数和(自身を除く): 116242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28771, 57542, 115084, 143855, 230168, 287710, 575420, 1150840, 2272909, 4545818, 9091636, 11364545, 18183272, 22729090, 45458180, 90916360]

約数ペア:

[(1, 90916360), (2, 45458180), (4, 22729090), (5, 18183272), (8, 11364545), (10, 9091636), (20, 4545818), (40, 2272909), (79, 1150840), (158, 575420), (316, 287710), (395, 230168), (632, 143855), (790, 115084), (1580, 57542), (3160, 28771)]