129568360

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{3457}}^1$

素因数の和:4405

約数の個数: 32

約数和(自身を含む): 291924360

約数和(自身を除く): 162356000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1874, 3457, 3748, 4685, 6914, 7496, 9370, 13828, 17285, 18740, 27656, 34570, 37480, 69140, 138280, 3239209, 6478418, 12956836, 16196045, 25913672, 32392090, 64784180, 129568360]

約数ペア:

[(1, 129568360), (2, 64784180), (4, 32392090), (5, 25913672), (8, 16196045), (10, 12956836), (20, 6478418), (40, 3239209), (937, 138280), (1874, 69140), (3457, 37480), (3748, 34570), (4685, 27656), (6914, 18740), (7496, 17285), (9370, 13828)]