85818340

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{13709}}^1$

素因数の和:14031

約数の個数: 24

約数和(自身を含む): 180807480

約数和(自身を除く): 94989140

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 13709, 27418, 54836, 68545, 137090, 274180, 4290917, 8581834, 17163668, 21454585, 42909170, 85818340]

約数ペア:

[(1, 85818340), (2, 42909170), (4, 21454585), (5, 17163668), (10, 8581834), (20, 4290917), (313, 274180), (626, 137090), (1252, 68545), (1565, 54836), (3130, 27418), (6260, 13709)]