67378840

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4243}}^1$

素因数の和:4651

約数の個数: 32

約数和(自身を含む): 152020080

約数和(自身を除く): 84641240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4243, 7940, 8486, 15880, 16972, 21215, 33944, 42430, 84860, 169720, 1684471, 3368942, 6737884, 8422355, 13475768, 16844710, 33689420, 67378840]

約数ペア:

[(1, 67378840), (2, 33689420), (4, 16844710), (5, 13475768), (8, 8422355), (10, 6737884), (20, 3368942), (40, 1684471), (397, 169720), (794, 84860), (1588, 42430), (1985, 33944), (3176, 21215), (3970, 16972), (4243, 15880), (7940, 8486)]