80384680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27529}}^1$

素因数の和:27613

約数の個数: 32

約数和(自身を含む): 183349800

約数和(自身を除く): 102965120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 27529, 55058, 110116, 137645, 220232, 275290, 550580, 1101160, 2009617, 4019234, 8038468, 10048085, 16076936, 20096170, 40192340, 80384680]

約数ペア:

[(1, 80384680), (2, 40192340), (4, 20096170), (5, 16076936), (8, 10048085), (10, 8038468), (20, 4019234), (40, 2009617), (73, 1101160), (146, 550580), (292, 275290), (365, 220232), (584, 137645), (730, 110116), (1460, 55058), (2920, 27529)]