66914840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{35593}}^1$

素因数の和:35651

約数の個数: 32

約数和(自身を含む): 153766080

約数和(自身を除く): 86851240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 35593, 71186, 142372, 177965, 284744, 355930, 711860, 1423720, 1672871, 3345742, 6691484, 8364355, 13382968, 16728710, 33457420, 66914840]

約数ペア:

[(1, 66914840), (2, 33457420), (4, 16728710), (5, 13382968), (8, 8364355), (10, 6691484), (20, 3345742), (40, 1672871), (47, 1423720), (94, 711860), (188, 355930), (235, 284744), (376, 177965), (470, 142372), (940, 71186), (1880, 35593)]