83964140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{322939}}^1$

素因数の和:322961

約数の個数: 24

約数和(自身を含む): 189888720

約数和(自身を除く): 105924580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 322939, 645878, 1291756, 1614695, 3229390, 4198207, 6458780, 8396414, 16792828, 20991035, 41982070, 83964140]

約数ペア:

[(1, 83964140), (2, 41982070), (4, 20991035), (5, 16792828), (10, 8396414), (13, 6458780), (20, 4198207), (26, 3229390), (52, 1614695), (65, 1291756), (130, 645878), (260, 322939)]