55451080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 129317760

約数和(自身を除く): 73866680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 313, 344, 412, 430, 515, 626, 824, 860, 1030, 1252, 1565, 1720, 2060, 2504, 3130, 4120, 4429, 6260, 8858, 12520, 13459, 17716, 22145, 26918, 32239, 35432, 44290, 53836, 64478, 67295, 88580, 107672, 128956, 134590, 161195, 177160, 257912, 269180, 322390, 538360, 644780, 1289560, 1386277, 2772554, 5545108, 6931385, 11090216, 13862770, 27725540, 55451080]

約数ペア:

[(1, 55451080), (2, 27725540), (4, 13862770), (5, 11090216), (8, 6931385), (10, 5545108), (20, 2772554), (40, 1386277), (43, 1289560), (86, 644780), (103, 538360), (172, 322390), (206, 269180), (215, 257912), (313, 177160), (344, 161195), (412, 134590), (430, 128956), (515, 107672), (626, 88580), (824, 67295), (860, 64478), (1030, 53836), (1252, 44290), (1565, 35432), (1720, 32239), (2060, 26918), (2504, 22145), (3130, 17716), (4120, 13459), (4429, 12520), (6260, 8858)]