42437720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81611}}^1$

素因数の和:81635

約数の個数: 32

約数和(自身を含む): 102831120

約数和(自身を除く): 60393400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81611, 163222, 326444, 408055, 652888, 816110, 1060943, 1632220, 2121886, 3264440, 4243772, 5304715, 8487544, 10609430, 21218860, 42437720]

約数ペア:

[(1, 42437720), (2, 21218860), (4, 10609430), (5, 8487544), (8, 5304715), (10, 4243772), (13, 3264440), (20, 2121886), (26, 1632220), (40, 1060943), (52, 816110), (65, 652888), (104, 408055), (130, 326444), (260, 163222), (520, 81611)]