129243760

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3089}}^1$

素因数の和:3625

約数の個数: 40

約数和(自身を含む): 301163760

約数和(自身を除く): 171920000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 2092, 2615, 3089, 4184, 5230, 6178, 8368, 10460, 12356, 15445, 20920, 24712, 30890, 41840, 49424, 61780, 123560, 247120, 1615547, 3231094, 6462188, 8077735, 12924376, 16155470, 25848752, 32310940, 64621880, 129243760]

約数ペア:

[(1, 129243760), (2, 64621880), (4, 32310940), (5, 25848752), (8, 16155470), (10, 12924376), (16, 8077735), (20, 6462188), (40, 3231094), (80, 1615547), (523, 247120), (1046, 123560), (2092, 61780), (2615, 49424), (3089, 41840), (4184, 30890), (5230, 24712), (6178, 20920), (8368, 15445), (10460, 12356)]