4280680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 9734400

約数和(自身を除く): 5453720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1039, 2060, 2078, 4120, 4156, 5195, 8312, 10390, 20780, 41560, 107017, 214034, 428068, 535085, 856136, 1070170, 2140340, 4280680]

約数ペア:

[(1, 4280680), (2, 2140340), (4, 1070170), (5, 856136), (8, 535085), (10, 428068), (20, 214034), (40, 107017), (103, 41560), (206, 20780), (412, 10390), (515, 8312), (824, 5195), (1030, 4156), (1039, 4120), (2060, 2078)]