65378360

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2503}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 147385440

約数和(自身を除く): 82007080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2503, 2612, 3265, 5006, 5224, 6530, 10012, 12515, 13060, 20024, 25030, 26120, 50060, 100120, 1634459, 3268918, 6537836, 8172295, 13075672, 16344590, 32689180, 65378360]

約数ペア:

[(1, 65378360), (2, 32689180), (4, 16344590), (5, 13075672), (8, 8172295), (10, 6537836), (20, 3268918), (40, 1634459), (653, 100120), (1306, 50060), (2503, 26120), (2612, 25030), (3265, 20024), (5006, 13060), (5224, 12515), (6530, 10012)]