64614320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27851}}^1$

素因数の和:27893

約数の個数: 40

約数和(自身を含む): 155414160

約数和(自身を除く): 90799840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27851, 55702, 111404, 139255, 222808, 278510, 445616, 557020, 807679, 1114040, 1615358, 2228080, 3230716, 4038395, 6461432, 8076790, 12922864, 16153580, 32307160, 64614320]

約数ペア:

[(1, 64614320), (2, 32307160), (4, 16153580), (5, 12922864), (8, 8076790), (10, 6461432), (16, 4038395), (20, 3230716), (29, 2228080), (40, 1615358), (58, 1114040), (80, 807679), (116, 557020), (145, 445616), (232, 278510), (290, 222808), (464, 139255), (580, 111404), (1160, 55702), (2320, 27851)]