26224220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 60480000

約数和(自身を除く): 34255780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 599, 796, 995, 1198, 1990, 2189, 2396, 2995, 3980, 4378, 5990, 6589, 8756, 10945, 11980, 13178, 21890, 26356, 32945, 43780, 65890, 119201, 131780, 238402, 476804, 596005, 1192010, 1311211, 2384020, 2622422, 5244844, 6556055, 13112110, 26224220]

約数ペア:

[(1, 26224220), (2, 13112110), (4, 6556055), (5, 5244844), (10, 2622422), (11, 2384020), (20, 1311211), (22, 1192010), (44, 596005), (55, 476804), (110, 238402), (199, 131780), (220, 119201), (398, 65890), (599, 43780), (796, 32945), (995, 26356), (1198, 21890), (1990, 13178), (2189, 11980), (2396, 10945), (2995, 8756), (3980, 6589), (4378, 5990)]