198089680

素因数分解:

$2^4\times 5^1\times {\mathrm{2476121}}^1$

素因数の和:2476134

約数の個数: 20

約数和(自身を含む): 460558692

約数和(自身を除く): 262469012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2476121, 4952242, 9904484, 12380605, 19808968, 24761210, 39617936, 49522420, 99044840, 198089680]

約数ペア:

[(1, 198089680), (2, 99044840), (4, 49522420), (5, 39617936), (8, 24761210), (10, 19808968), (16, 12380605), (20, 9904484), (40, 4952242), (80, 2476121)]