207918640

素因数分解:

$2^4\times 5^1\times {\mathrm{2598983}}^1$

素因数の和:2598996

約数の個数: 20

約数和(自身を含む): 483411024

約数和(自身を除く): 275492384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2598983, 5197966, 10395932, 12994915, 20791864, 25989830, 41583728, 51979660, 103959320, 207918640]

約数ペア:

[(1, 207918640), (2, 103959320), (4, 51979660), (5, 41583728), (8, 25989830), (10, 20791864), (16, 12994915), (20, 10395932), (40, 5197966), (80, 2598983)]