2580700

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 5671512

約数和(自身を除く): 3090812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 197, 262, 394, 524, 655, 788, 985, 1310, 1970, 2620, 3275, 3940, 4925, 6550, 9850, 13100, 19700, 25807, 51614, 103228, 129035, 258070, 516140, 645175, 1290350, 2580700]

約数ペア:

[(1, 2580700), (2, 1290350), (4, 645175), (5, 516140), (10, 258070), (20, 129035), (25, 103228), (50, 51614), (100, 25807), (131, 19700), (197, 13100), (262, 9850), (394, 6550), (524, 4925), (655, 3940), (788, 3275), (985, 2620), (1310, 1970)]