66816460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196519}}^1$

素因数の和:196545

約数の個数: 24

約数和(自身を含む): 148569120

約数和(自身を除く): 81752660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 196519, 393038, 786076, 982595, 1965190, 3340823, 3930380, 6681646, 13363292, 16704115, 33408230, 66816460]

約数ペア:

[(1, 66816460), (2, 33408230), (4, 16704115), (5, 13363292), (10, 6681646), (17, 3930380), (20, 3340823), (34, 1965190), (68, 982595), (85, 786076), (170, 393038), (340, 196519)]