42016720

素因数分解:

$2^4\times 5^1\times {\mathrm{525209}}^1$

素因数の和:525222

約数の個数: 20

約数和(自身を含む): 97689060

約数和(自身を除く): 55672340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525209, 1050418, 2100836, 2626045, 4201672, 5252090, 8403344, 10504180, 21008360, 42016720]

約数ペア:

[(1, 42016720), (2, 21008360), (4, 10504180), (5, 8403344), (8, 5252090), (10, 4201672), (16, 2626045), (20, 2100836), (40, 1050418), (80, 525209)]