129333880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248719}}^1$

素因数の和:248743

約数の個数: 32

約数和(自身を含む): 313387200

約数和(自身を除く): 184053320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248719, 497438, 994876, 1243595, 1989752, 2487190, 3233347, 4974380, 6466694, 9948760, 12933388, 16166735, 25866776, 32333470, 64666940, 129333880]

約数ペア:

[(1, 129333880), (2, 64666940), (4, 32333470), (5, 25866776), (8, 16166735), (10, 12933388), (13, 9948760), (20, 6466694), (26, 4974380), (40, 3233347), (52, 2487190), (65, 1989752), (104, 1243595), (130, 994876), (260, 497438), (520, 248719)]