52820980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 113783040

約数和(自身を除く): 60962060

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 331, 395, 404, 505, 662, 790, 1010, 1324, 1580, 1655, 2020, 3310, 6620, 7979, 15958, 26149, 31916, 33431, 39895, 52298, 66862, 79790, 104596, 130745, 133724, 159580, 167155, 261490, 334310, 522980, 668620, 2641049, 5282098, 10564196, 13205245, 26410490, 52820980]

約数ペア:

[(1, 52820980), (2, 26410490), (4, 13205245), (5, 10564196), (10, 5282098), (20, 2641049), (79, 668620), (101, 522980), (158, 334310), (202, 261490), (316, 167155), (331, 159580), (395, 133724), (404, 130745), (505, 104596), (662, 79790), (790, 66862), (1010, 52298), (1324, 39895), (1580, 33431), (1655, 31916), (2020, 26149), (3310, 15958), (6620, 7979)]