61144880

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2129}}^1$

素因数の和:2501

約数の個数: 40

約数和(自身を含む): 142624800

約数和(自身を除く): 81479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2129, 2872, 3590, 4258, 5744, 7180, 8516, 10645, 14360, 17032, 21290, 28720, 34064, 42580, 85160, 170320, 764311, 1528622, 3057244, 3821555, 6114488, 7643110, 12228976, 15286220, 30572440, 61144880]

約数ペア:

[(1, 61144880), (2, 30572440), (4, 15286220), (5, 12228976), (8, 7643110), (10, 6114488), (16, 3821555), (20, 3057244), (40, 1528622), (80, 764311), (359, 170320), (718, 85160), (1436, 42580), (1795, 34064), (2129, 28720), (2872, 21290), (3590, 17032), (4258, 14360), (5744, 10645), (7180, 8516)]