201663160

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9319}}^1$

素因数の和:9871

約数の個数: 32

約数和(自身を含む): 454629600

約数和(自身を除く): 252966440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9319, 10820, 18638, 21640, 37276, 46595, 74552, 93190, 186380, 372760, 5041579, 10083158, 20166316, 25207895, 40332632, 50415790, 100831580, 201663160]

約数ペア:

[(1, 201663160), (2, 100831580), (4, 50415790), (5, 40332632), (8, 25207895), (10, 20166316), (20, 10083158), (40, 5041579), (541, 372760), (1082, 186380), (2164, 93190), (2705, 74552), (4328, 46595), (5410, 37276), (9319, 21640), (10820, 18638)]