66353840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16927}}^1$

素因数の和:16954

約数の個数: 60

約数和(自身を含む): 179470656

約数和(自身を除く): 113116816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16927, 33854, 67708, 84635, 118489, 135416, 169270, 236978, 270832, 338540, 473956, 592445, 677080, 829423, 947912, 1184890, 1354160, 1658846, 1895824, 2369780, 3317692, 4147115, 4739560, 6635384, 8294230, 9479120, 13270768, 16588460, 33176920, 66353840]

約数ペア:

[(1, 66353840), (2, 33176920), (4, 16588460), (5, 13270768), (7, 9479120), (8, 8294230), (10, 6635384), (14, 4739560), (16, 4147115), (20, 3317692), (28, 2369780), (35, 1895824), (40, 1658846), (49, 1354160), (56, 1184890), (70, 947912), (80, 829423), (98, 677080), (112, 592445), (140, 473956), (196, 338540), (245, 270832), (280, 236978), (392, 169270), (490, 135416), (560, 118489), (784, 84635), (980, 67708), (1960, 33854), (3920, 16927)]