80900050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21013}}^1$

素因数の和:21043

約数の個数: 48

約数和(自身を含む): 187612992

約数和(自身を除く): 106712942

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21013, 42026, 105065, 147091, 210130, 231143, 294182, 462286, 525325, 735455, 1050650, 1155715, 1470910, 1618001, 2311430, 3236002, 3677275, 5778575, 7354550, 8090005, 11557150, 16180010, 40450025, 80900050]

約数ペア:

[(1, 80900050), (2, 40450025), (5, 16180010), (7, 11557150), (10, 8090005), (11, 7354550), (14, 5778575), (22, 3677275), (25, 3236002), (35, 2311430), (50, 1618001), (55, 1470910), (70, 1155715), (77, 1050650), (110, 735455), (154, 525325), (175, 462286), (275, 294182), (350, 231143), (385, 210130), (550, 147091), (770, 105065), (1925, 42026), (3850, 21013)]