28876720

素因数分解:

$2^4\times 5^1\times {\mathrm{360959}}^1$

素因数の和:360972

約数の個数: 20

約数和(自身を含む): 67138560

約数和(自身を除く): 38261840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360959, 721918, 1443836, 1804795, 2887672, 3609590, 5775344, 7219180, 14438360, 28876720]

約数ペア:

[(1, 28876720), (2, 14438360), (4, 7219180), (5, 5775344), (8, 3609590), (10, 2887672), (16, 1804795), (20, 1443836), (40, 721918), (80, 360959)]