23904140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91939}}^1$

素因数の和:91961

約数の個数: 24

約数和(自身を含む): 54060720

約数和(自身を除く): 30156580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 91939, 183878, 367756, 459695, 919390, 1195207, 1838780, 2390414, 4780828, 5976035, 11952070, 23904140]

約数ペア:

[(1, 23904140), (2, 11952070), (4, 5976035), (5, 4780828), (10, 2390414), (13, 1838780), (20, 1195207), (26, 919390), (52, 459695), (65, 367756), (130, 183878), (260, 91939)]