1020004840

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{27449}}^1$

素因数の和:28389

約数の個数: 32

約数和(自身を含む): 2297565000

約数和(自身を除く): 1277560160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 7432, 9290, 18580, 27449, 37160, 54898, 109796, 137245, 219592, 274490, 548980, 1097960, 25500121, 51000242, 102000484, 127500605, 204000968, 255001210, 510002420, 1020004840]

約数ペア:

[(1, 1020004840), (2, 510002420), (4, 255001210), (5, 204000968), (8, 127500605), (10, 102000484), (20, 51000242), (40, 25500121), (929, 1097960), (1858, 548980), (3716, 274490), (4645, 219592), (7432, 137245), (9290, 109796), (18580, 54898), (27449, 37160)]