51817240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12577}}^1$

素因数の和:12691

約数の個数: 32

約数和(自身を含む): 117730080

約数和(自身を除く): 65912840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 12577, 25154, 50308, 62885, 100616, 125770, 251540, 503080, 1295431, 2590862, 5181724, 6477155, 10363448, 12954310, 25908620, 51817240]

約数ペア:

[(1, 51817240), (2, 25908620), (4, 12954310), (5, 10363448), (8, 6477155), (10, 5181724), (20, 2590862), (40, 1295431), (103, 503080), (206, 251540), (412, 125770), (515, 100616), (824, 62885), (1030, 50308), (2060, 25154), (4120, 12577)]