67599640

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1303}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 152333280

約数和(自身を除く): 84733640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 1303, 2594, 2606, 5188, 5212, 6485, 6515, 10376, 10424, 12970, 13030, 25940, 26060, 51880, 52120, 1689991, 3379982, 6759964, 8449955, 13519928, 16899910, 33799820, 67599640]

約数ペア:

[(1, 67599640), (2, 33799820), (4, 16899910), (5, 13519928), (8, 8449955), (10, 6759964), (20, 3379982), (40, 1689991), (1297, 52120), (1303, 51880), (2594, 26060), (2606, 25940), (5188, 13030), (5212, 12970), (6485, 10424), (6515, 10376)]