80491390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{3203}}^1$

素因数の和:3576

約数の個数: 32

約数和(自身を含む): 166095360

約数和(自身を除く): 85603970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 359, 718, 1795, 2513, 3203, 3590, 5026, 6406, 12565, 16015, 22421, 25130, 32030, 44842, 112105, 224210, 1149877, 2299754, 5749385, 8049139, 11498770, 16098278, 40245695, 80491390]

約数ペア:

[(1, 80491390), (2, 40245695), (5, 16098278), (7, 11498770), (10, 8049139), (14, 5749385), (35, 2299754), (70, 1149877), (359, 224210), (718, 112105), (1795, 44842), (2513, 32030), (3203, 25130), (3590, 22421), (5026, 16015), (6406, 12565)]