57385420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 123439680

約数和(自身を除く): 66054260

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 313, 356, 412, 445, 515, 626, 890, 1030, 1252, 1565, 1780, 2060, 3130, 6260, 9167, 18334, 27857, 32239, 36668, 45835, 55714, 64478, 91670, 111428, 128956, 139285, 161195, 183340, 278570, 322390, 557140, 644780, 2869271, 5738542, 11477084, 14346355, 28692710, 57385420]

約数ペア:

[(1, 57385420), (2, 28692710), (4, 14346355), (5, 11477084), (10, 5738542), (20, 2869271), (89, 644780), (103, 557140), (178, 322390), (206, 278570), (313, 183340), (356, 161195), (412, 139285), (445, 128956), (515, 111428), (626, 91670), (890, 64478), (1030, 55714), (1252, 45835), (1565, 36668), (1780, 32239), (2060, 27857), (3130, 18334), (6260, 9167)]