127979480

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{5623}}^1$

素因数の和:6203

約数の個数: 32

約数和(自身を含む): 288511200

約数和(自身を除く): 160531720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5623, 5690, 11246, 11380, 22492, 22760, 28115, 44984, 56230, 112460, 224920, 3199487, 6398974, 12797948, 15997435, 25595896, 31994870, 63989740, 127979480]

約数ペア:

[(1, 127979480), (2, 63989740), (4, 31994870), (5, 25595896), (8, 15997435), (10, 12797948), (20, 6398974), (40, 3199487), (569, 224920), (1138, 112460), (2276, 56230), (2845, 44984), (4552, 28115), (5623, 22760), (5690, 22492), (11246, 11380)]