27978340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107609}}^1$

素因数の和:107631

約数の個数: 24

約数和(自身を含む): 63274680

約数和(自身を除く): 35296340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 107609, 215218, 430436, 538045, 1076090, 1398917, 2152180, 2797834, 5595668, 6994585, 13989170, 27978340]

約数ペア:

[(1, 27978340), (2, 13989170), (4, 6994585), (5, 5595668), (10, 2797834), (13, 2152180), (20, 1398917), (26, 1076090), (52, 538045), (65, 430436), (130, 215218), (260, 107609)]