68548120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8699}}^1$

素因数の和:8907

約数の個数: 32

約数和(自身を含む): 155034000

約数和(自身を除く): 86485880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 8699, 17398, 34796, 43495, 69592, 86990, 173980, 347960, 1713703, 3427406, 6854812, 8568515, 13709624, 17137030, 34274060, 68548120]

約数ペア:

[(1, 68548120), (2, 34274060), (4, 17137030), (5, 13709624), (8, 8568515), (10, 6854812), (20, 3427406), (40, 1713703), (197, 347960), (394, 173980), (788, 86990), (985, 69592), (1576, 43495), (1970, 34796), (3940, 17398), (7880, 8699)]