68028880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27431}}^1$

素因数の和:27475

約数の個数: 40

約数和(自身を含む): 163275264

約数和(自身を除く): 95246384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27431, 54862, 109724, 137155, 219448, 274310, 438896, 548620, 850361, 1097240, 1700722, 2194480, 3401444, 4251805, 6802888, 8503610, 13605776, 17007220, 34014440, 68028880]

約数ペア:

[(1, 68028880), (2, 34014440), (4, 17007220), (5, 13605776), (8, 8503610), (10, 6802888), (16, 4251805), (20, 3401444), (31, 2194480), (40, 1700722), (62, 1097240), (80, 850361), (124, 548620), (155, 438896), (248, 274310), (310, 219448), (496, 137155), (620, 109724), (1240, 54862), (2480, 27431)]