4089779920

素因数分解:

$2^4\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{45281}}^1$

素因数の和:46423

約数の個数: 40

約数和(自身を含む): 9517370760

約数和(自身を除く): 5427590840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1129, 2258, 4516, 5645, 9032, 11290, 18064, 22580, 45160, 45281, 90320, 90562, 181124, 226405, 362248, 452810, 724496, 905620, 1811240, 3622480, 51122249, 102244498, 204488996, 255611245, 408977992, 511222490, 817955984, 1022444980, 2044889960, 4089779920]

約数ペア:

[(1, 4089779920), (2, 2044889960), (4, 1022444980), (5, 817955984), (8, 511222490), (10, 408977992), (16, 255611245), (20, 204488996), (40, 102244498), (80, 51122249), (1129, 3622480), (2258, 1811240), (4516, 905620), (5645, 724496), (9032, 452810), (11290, 362248), (18064, 226405), (22580, 181124), (45160, 90562), (45281, 90320)]