2013994825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 2661829632

約数和(自身を除く): 647834807

約数列:

[1, 5, 25, 31, 41, 155, 205, 241, 263, 775, 1025, 1205, 1271, 1315, 6025, 6355, 6575, 7471, 8153, 9881, 10783, 31775, 37355, 40765, 49405, 53915, 63383, 186775, 203825, 247025, 269575, 306311, 316915, 334273, 1531555, 1584575, 1671365, 1964873, 2598703, 7657775, 8356825, 9824365, 12993515, 49121825, 64967575, 80559793, 402798965, 2013994825]

約数ペア:

[(1, 2013994825), (5, 402798965), (25, 80559793), (31, 64967575), (41, 49121825), (155, 12993515), (205, 9824365), (241, 8356825), (263, 7657775), (775, 2598703), (1025, 1964873), (1205, 1671365), (1271, 1584575), (1315, 1531555), (6025, 334273), (6355, 316915), (6575, 306311), (7471, 269575), (8153, 247025), (9881, 203825), (10783, 186775), (31775, 63383), (37355, 53915), (40765, 49405)]