79666160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20323}}^1$

素因数の和:20350

約数の個数: 60

約数和(自身を含む): 215475048

約数和(自身を除く): 135808888

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, 20323, 40646, 81292, 101615, 142261, 162584, 203230, 284522, 325168, 406460, 569044, 711305, 812920, 995827, 1138088, 1422610, 1625840, 1991654, 2276176, 2845220, 3983308, 4979135, 5690440, 7966616, 9958270, 11380880, 15933232, 19916540, 39833080, 79666160]

約数ペア:

[(1, 79666160), (2, 39833080), (4, 19916540), (5, 15933232), (7, 11380880), (8, 9958270), (10, 7966616), (14, 5690440), (16, 4979135), (20, 3983308), (28, 2845220), (35, 2276176), (40, 1991654), (49, 1625840), (56, 1422610), (70, 1138088), (80, 995827), (98, 812920), (112, 711305), (140, 569044), (196, 406460), (245, 325168), (280, 284522), (392, 203230), (490, 162584), (560, 142261), (784, 101615), (980, 81292), (1960, 40646), (3920, 20323)]