82381280

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1223}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 195247584

約数和(自身を除く): 112866304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1223, 1684, 2105, 2446, 3368, 4210, 4892, 6115, 6736, 8420, 9784, 12230, 13472, 16840, 19568, 24460, 33680, 39136, 48920, 67360, 97840, 195680, 514883, 1029766, 2059532, 2574415, 4119064, 5148830, 8238128, 10297660, 16476256, 20595320, 41190640, 82381280]

約数ペア:

[(1, 82381280), (2, 41190640), (4, 20595320), (5, 16476256), (8, 10297660), (10, 8238128), (16, 5148830), (20, 4119064), (32, 2574415), (40, 2059532), (80, 1029766), (160, 514883), (421, 195680), (842, 97840), (1223, 67360), (1684, 48920), (2105, 39136), (2446, 33680), (3368, 24460), (4210, 19568), (4892, 16840), (6115, 13472), (6736, 12230), (8420, 9784)]