28682440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23131}}^1$

素因数の和:23173

約数の個数: 32

約数和(自身を含む): 66620160

約数和(自身を除く): 37937720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23131, 46262, 92524, 115655, 185048, 231310, 462620, 717061, 925240, 1434122, 2868244, 3585305, 5736488, 7170610, 14341220, 28682440]

約数ペア:

[(1, 28682440), (2, 14341220), (4, 7170610), (5, 5736488), (8, 3585305), (10, 2868244), (20, 1434122), (31, 925240), (40, 717061), (62, 462620), (124, 231310), (155, 185048), (248, 115655), (310, 92524), (620, 46262), (1240, 23131)]