121216940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{35863}}^1$

素因数の和:35898

約数の個数: 36

約数和(自身を含む): 275650704

約数和(自身を除く): 154433764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 35863, 71726, 143452, 179315, 358630, 466219, 717260, 932438, 1864876, 2331095, 4662190, 6060847, 9324380, 12121694, 24243388, 30304235, 60608470, 121216940]

約数ペア:

[(1, 121216940), (2, 60608470), (4, 30304235), (5, 24243388), (10, 12121694), (13, 9324380), (20, 6060847), (26, 4662190), (52, 2331095), (65, 1864876), (130, 932438), (169, 717260), (260, 466219), (338, 358630), (676, 179315), (845, 143452), (1690, 71726), (3380, 35863)]