131282440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 305141760

約数和(自身を除く): 173859320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 601, 635, 860, 1016, 1202, 1270, 1720, 2404, 2540, 3005, 4808, 5080, 5461, 6010, 10922, 12020, 21844, 24040, 25843, 27305, 43688, 51686, 54610, 76327, 103372, 109220, 129215, 152654, 206744, 218440, 258430, 305308, 381635, 516860, 610616, 763270, 1033720, 1526540, 3053080, 3282061, 6564122, 13128244, 16410305, 26256488, 32820610, 65641220, 131282440]

約数ペア:

[(1, 131282440), (2, 65641220), (4, 32820610), (5, 26256488), (8, 16410305), (10, 13128244), (20, 6564122), (40, 3282061), (43, 3053080), (86, 1526540), (127, 1033720), (172, 763270), (215, 610616), (254, 516860), (344, 381635), (430, 305308), (508, 258430), (601, 218440), (635, 206744), (860, 152654), (1016, 129215), (1202, 109220), (1270, 103372), (1720, 76327), (2404, 54610), (2540, 51686), (3005, 43688), (4808, 27305), (5080, 25843), (5461, 24040), (6010, 21844), (10922, 12020)]