987220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3797}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 2233224

約数和(自身を除く): 1246004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3797, 7594, 15188, 18985, 37970, 49361, 75940, 98722, 197444, 246805, 493610, 987220]

約数ペア:

[(1, 987220), (2, 493610), (4, 246805), (5, 197444), (10, 98722), (13, 75940), (20, 49361), (26, 37970), (52, 18985), (65, 15188), (130, 7594), (260, 3797)]