25281920

素因数分解:

$2^7\times 5^1\times {\mathrm{39503}}^1$

素因数の和:39522

約数の個数: 32

約数和(自身を含む): 60441120

約数和(自身を除く): 35159200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39503, 79006, 158012, 197515, 316024, 395030, 632048, 790060, 1264096, 1580120, 2528192, 3160240, 5056384, 6320480, 12640960, 25281920]

約数ペア:

[(1, 25281920), (2, 12640960), (4, 6320480), (5, 5056384), (8, 3160240), (10, 2528192), (16, 1580120), (20, 1264096), (32, 790060), (40, 632048), (64, 395030), (80, 316024), (128, 197515), (160, 158012), (320, 79006), (640, 39503)]