67808120

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1303}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 152802720

約数和(自身を除く): 84994600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 1303, 2602, 2606, 5204, 5212, 6505, 6515, 10408, 10424, 13010, 13030, 26020, 26060, 52040, 52120, 1695203, 3390406, 6780812, 8476015, 13561624, 16952030, 33904060, 67808120]

約数ペア:

[(1, 67808120), (2, 33904060), (4, 16952030), (5, 13561624), (8, 8476015), (10, 6780812), (20, 3390406), (40, 1695203), (1301, 52120), (1303, 52040), (2602, 26060), (2606, 26020), (5204, 13030), (5212, 13010), (6505, 10424), (6515, 10408)]