202488560

素因数分解:

$2^4\times 5^1\times {\mathrm{2531107}}^1$

素因数の和:2531120

約数の個数: 20

約数和(自身を含む): 470786088

約数和(自身を除く): 268297528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2531107, 5062214, 10124428, 12655535, 20248856, 25311070, 40497712, 50622140, 101244280, 202488560]

約数ペア:

[(1, 202488560), (2, 101244280), (4, 50622140), (5, 40497712), (8, 25311070), (10, 20248856), (16, 12655535), (20, 10124428), (40, 5062214), (80, 2531107)]