20130800

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:930

約数の個数: 60

約数和(自身を含む): 49241640

約数和(自身を除く): 29110840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 853, 944, 1180, 1475, 1706, 2360, 2950, 3412, 4265, 4720, 5900, 6824, 8530, 11800, 13648, 17060, 21325, 23600, 34120, 42650, 50327, 68240, 85300, 100654, 170600, 201308, 251635, 341200, 402616, 503270, 805232, 1006540, 1258175, 2013080, 2516350, 4026160, 5032700, 10065400, 20130800]

約数ペア:

[(1, 20130800), (2, 10065400), (4, 5032700), (5, 4026160), (8, 2516350), (10, 2013080), (16, 1258175), (20, 1006540), (25, 805232), (40, 503270), (50, 402616), (59, 341200), (80, 251635), (100, 201308), (118, 170600), (200, 100654), (236, 85300), (295, 68240), (400, 50327), (472, 42650), (590, 34120), (853, 23600), (944, 21325), (1180, 17060), (1475, 13648), (1706, 11800), (2360, 8530), (2950, 6824), (3412, 5900), (4265, 4720)]