31696240

素因数分解:

$2^4\times 5^1\times {\mathrm{396203}}^1$

素因数の和:396216

約数の個数: 20

約数和(自身を含む): 73693944

約数和(自身を除く): 41997704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396203, 792406, 1584812, 1981015, 3169624, 3962030, 6339248, 7924060, 15848120, 31696240]

約数ペア:

[(1, 31696240), (2, 15848120), (4, 7924060), (5, 6339248), (8, 3962030), (10, 3169624), (16, 1981015), (20, 1584812), (40, 792406), (80, 396203)]