209633680

素因数分解:

$2^4\times 5^1\times {\mathrm{2620421}}^1$

素因数の和:2620434

約数の個数: 20

約数和(自身を含む): 487398492

約数和(自身を除く): 277764812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2620421, 5240842, 10481684, 13102105, 20963368, 26204210, 41926736, 52408420, 104816840, 209633680]

約数ペア:

[(1, 209633680), (2, 104816840), (4, 52408420), (5, 41926736), (8, 26204210), (10, 20963368), (16, 13102105), (20, 10481684), (40, 5240842), (80, 2620421)]