2725720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 6214320

約数和(自身を除く): 3488600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 821, 830, 1642, 1660, 3284, 3320, 4105, 6568, 8210, 16420, 32840, 68143, 136286, 272572, 340715, 545144, 681430, 1362860, 2725720]

約数ペア:

[(1, 2725720), (2, 1362860), (4, 681430), (5, 545144), (8, 340715), (10, 272572), (20, 136286), (40, 68143), (83, 32840), (166, 16420), (332, 8210), (415, 6568), (664, 4105), (821, 3320), (830, 3284), (1642, 1660)]