3948880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3797}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 9889992

約数和(自身を除く): 5941112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3797, 7594, 15188, 18985, 30376, 37970, 49361, 60752, 75940, 98722, 151880, 197444, 246805, 303760, 394888, 493610, 789776, 987220, 1974440, 3948880]

約数ペア:

[(1, 3948880), (2, 1974440), (4, 987220), (5, 789776), (8, 493610), (10, 394888), (13, 303760), (16, 246805), (20, 197444), (26, 151880), (40, 98722), (52, 75940), (65, 60752), (80, 49361), (104, 37970), (130, 30376), (208, 18985), (260, 15188), (520, 7594), (1040, 3797)]