80229680

素因数分解:

$2^4\times 5^1\times {\mathrm{1002871}}^1$

素因数の和:1002884

約数の個数: 20

約数和(自身を含む): 186534192

約数和(自身を除く): 106304512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002871, 2005742, 4011484, 5014355, 8022968, 10028710, 16045936, 20057420, 40114840, 80229680]

約数ペア:

[(1, 80229680), (2, 40114840), (4, 20057420), (5, 16045936), (8, 10028710), (10, 8022968), (16, 5014355), (20, 4011484), (40, 2005742), (80, 1002871)]