166927760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122741}}^1$

素因数の和:122771

約数の個数: 40

約数和(自身を含む): 410940216

約数和(自身を除く): 244012456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 122741, 245482, 490964, 613705, 981928, 1227410, 1963856, 2086597, 2454820, 4173194, 4909640, 8346388, 9819280, 10432985, 16692776, 20865970, 33385552, 41731940, 83463880, 166927760]

約数ペア:

[(1, 166927760), (2, 83463880), (4, 41731940), (5, 33385552), (8, 20865970), (10, 16692776), (16, 10432985), (17, 9819280), (20, 8346388), (34, 4909640), (40, 4173194), (68, 2454820), (80, 2086597), (85, 1963856), (136, 1227410), (170, 981928), (272, 613705), (340, 490964), (680, 245482), (1360, 122741)]