51660680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12539}}^1$

素因数の和:12653

約数の個数: 32

約数和(自身を含む): 117374400

約数和(自身を除く): 65713720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 12539, 25078, 50156, 62695, 100312, 125390, 250780, 501560, 1291517, 2583034, 5166068, 6457585, 10332136, 12915170, 25830340, 51660680]

約数ペア:

[(1, 51660680), (2, 25830340), (4, 12915170), (5, 10332136), (8, 6457585), (10, 5166068), (20, 2583034), (40, 1291517), (103, 501560), (206, 250780), (412, 125390), (515, 100312), (824, 62695), (1030, 50156), (2060, 25078), (4120, 12539)]