1840040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 4180680

約数和(自身を除く): 2340640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 293, 314, 586, 628, 785, 1172, 1256, 1465, 1570, 2344, 2930, 3140, 5860, 6280, 11720, 46001, 92002, 184004, 230005, 368008, 460010, 920020, 1840040]

約数ペア:

[(1, 1840040), (2, 920020), (4, 460010), (5, 368008), (8, 230005), (10, 184004), (20, 92002), (40, 46001), (157, 11720), (293, 6280), (314, 5860), (586, 3140), (628, 2930), (785, 2344), (1172, 1570), (1256, 1465)]