80212190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{733}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 149665536

約数和(自身を除く): 69453346

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 353, 706, 733, 1466, 1765, 3530, 3665, 7330, 10943, 21886, 22723, 45446, 54715, 109430, 113615, 227230, 258749, 517498, 1293745, 2587490, 8021219, 16042438, 40106095, 80212190]

約数ペア:

[(1, 80212190), (2, 40106095), (5, 16042438), (10, 8021219), (31, 2587490), (62, 1293745), (155, 517498), (310, 258749), (353, 227230), (706, 113615), (733, 109430), (1466, 54715), (1765, 45446), (3530, 22723), (3665, 21886), (7330, 10943)]