51285220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4637}}^1$

素因数の和:4732

約数の個数: 48

約数和(自身を含む): 124669440

約数和(自身を除く): 73384220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 4637, 5530, 9274, 11060, 18548, 23185, 32459, 46370, 64918, 92740, 129836, 162295, 324590, 366323, 649180, 732646, 1465292, 1831615, 2564261, 3663230, 5128522, 7326460, 10257044, 12821305, 25642610, 51285220]

約数ペア:

[(1, 51285220), (2, 25642610), (4, 12821305), (5, 10257044), (7, 7326460), (10, 5128522), (14, 3663230), (20, 2564261), (28, 1831615), (35, 1465292), (70, 732646), (79, 649180), (140, 366323), (158, 324590), (316, 162295), (395, 129836), (553, 92740), (790, 64918), (1106, 46370), (1580, 32459), (2212, 23185), (2765, 18548), (4637, 11060), (5530, 9274)]