42660140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125471}}^1$

素因数の和:125497

約数の個数: 24

約数和(自身を含む): 94856832

約数和(自身を除く): 52196692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 125471, 250942, 501884, 627355, 1254710, 2133007, 2509420, 4266014, 8532028, 10665035, 21330070, 42660140]

約数ペア:

[(1, 42660140), (2, 21330070), (4, 10665035), (5, 8532028), (10, 4266014), (17, 2509420), (20, 2133007), (34, 1254710), (68, 627355), (85, 501884), (170, 250942), (340, 125471)]