136800680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26107}}^1$

素因数の和:26249

約数の個数: 32

約数和(自身を含む): 310163040

約数和(自身を除く): 173362360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26107, 52214, 104428, 130535, 208856, 261070, 522140, 1044280, 3420017, 6840034, 13680068, 17100085, 27360136, 34200170, 68400340, 136800680]

約数ペア:

[(1, 136800680), (2, 68400340), (4, 34200170), (5, 27360136), (8, 17100085), (10, 13680068), (20, 6840034), (40, 3420017), (131, 1044280), (262, 522140), (524, 261070), (655, 208856), (1048, 130535), (1310, 104428), (2620, 52214), (5240, 26107)]