13800980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9719}}^1$

素因数の和:9799

約数の個数: 24

約数和(自身を含む): 29393280

約数和(自身を除く): 15592300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9719, 19438, 38876, 48595, 97190, 194380, 690049, 1380098, 2760196, 3450245, 6900490, 13800980]

約数ペア:

[(1, 13800980), (2, 6900490), (4, 3450245), (5, 2760196), (10, 1380098), (20, 690049), (71, 194380), (142, 97190), (284, 48595), (355, 38876), (710, 19438), (1420, 9719)]