90530840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28649}}^1$

素因数の和:28739

約数の個数: 32

約数和(自身を含む): 206280000

約数和(自身を除く): 115749160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28649, 57298, 114596, 143245, 229192, 286490, 572980, 1145960, 2263271, 4526542, 9053084, 11316355, 18106168, 22632710, 45265420, 90530840]

約数ペア:

[(1, 90530840), (2, 45265420), (4, 22632710), (5, 18106168), (8, 11316355), (10, 9053084), (20, 4526542), (40, 2263271), (79, 1145960), (158, 572980), (316, 286490), (395, 229192), (632, 143245), (790, 114596), (1580, 57298), (3160, 28649)]