187841680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{180617}}^1$

素因数の和:180643

約数の個数: 40

約数和(自身を含む): 470329272

約数和(自身を除く): 282487592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 180617, 361234, 722468, 903085, 1444936, 1806170, 2348021, 2889872, 3612340, 4696042, 7224680, 9392084, 11740105, 14449360, 18784168, 23480210, 37568336, 46960420, 93920840, 187841680]

約数ペア:

[(1, 187841680), (2, 93920840), (4, 46960420), (5, 37568336), (8, 23480210), (10, 18784168), (13, 14449360), (16, 11740105), (20, 9392084), (26, 7224680), (40, 4696042), (52, 3612340), (65, 2889872), (80, 2348021), (104, 1806170), (130, 1444936), (208, 903085), (260, 722468), (520, 361234), (1040, 180617)]