89708840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172517}}^1$

素因数の和:172541

約数の個数: 32

約数和(自身を含む): 217372680

約数和(自身を除く): 127663840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172517, 345034, 690068, 862585, 1380136, 1725170, 2242721, 3450340, 4485442, 6900680, 8970884, 11213605, 17941768, 22427210, 44854420, 89708840]

約数ペア:

[(1, 89708840), (2, 44854420), (4, 22427210), (5, 17941768), (8, 11213605), (10, 8970884), (13, 6900680), (20, 4485442), (26, 3450340), (40, 2242721), (52, 1725170), (65, 1380136), (104, 862585), (130, 690068), (260, 345034), (520, 172517)]