16500040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10061}}^1$

素因数の和:10113

約数の個数: 32

約数和(自身を含む): 38034360

約数和(自身を除く): 21534320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 10061, 20122, 40244, 50305, 80488, 100610, 201220, 402440, 412501, 825002, 1650004, 2062505, 3300008, 4125010, 8250020, 16500040]

約数ペア:

[(1, 16500040), (2, 8250020), (4, 4125010), (5, 3300008), (8, 2062505), (10, 1650004), (20, 825002), (40, 412501), (41, 402440), (82, 201220), (164, 100610), (205, 80488), (328, 50305), (410, 40244), (820, 20122), (1640, 10061)]