2745640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 6259680

約数和(自身を除く): 3514040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 827, 830, 1654, 1660, 3308, 3320, 4135, 6616, 8270, 16540, 33080, 68641, 137282, 274564, 343205, 549128, 686410, 1372820, 2745640]

約数ペア:

[(1, 2745640), (2, 1372820), (4, 686410), (5, 549128), (8, 343205), (10, 274564), (20, 137282), (40, 68641), (83, 33080), (166, 16540), (332, 8270), (415, 6616), (664, 4135), (827, 3320), (830, 3308), (1654, 1660)]