68941240

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1543}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 155357280

約数和(自身を除く): 86416040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 1543, 2234, 3086, 4468, 5585, 6172, 7715, 8936, 11170, 12344, 15430, 22340, 30860, 44680, 61720, 1723531, 3447062, 6894124, 8617655, 13788248, 17235310, 34470620, 68941240]

約数ペア:

[(1, 68941240), (2, 34470620), (4, 17235310), (5, 13788248), (8, 8617655), (10, 6894124), (20, 3447062), (40, 1723531), (1117, 61720), (1543, 44680), (2234, 30860), (3086, 22340), (4468, 15430), (5585, 12344), (6172, 11170), (7715, 8936)]