80169160

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1889}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 180646200

約数和(自身を除く): 100477040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 1889, 2122, 3778, 4244, 5305, 7556, 8488, 9445, 10610, 15112, 18890, 21220, 37780, 42440, 75560, 2004229, 4008458, 8016916, 10021145, 16033832, 20042290, 40084580, 80169160]

約数ペア:

[(1, 80169160), (2, 40084580), (4, 20042290), (5, 16033832), (8, 10021145), (10, 8016916), (20, 4008458), (40, 2004229), (1061, 75560), (1889, 42440), (2122, 37780), (3778, 21220), (4244, 18890), (5305, 15112), (7556, 10610), (8488, 9445)]