70972880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80651}}^1$

素因数の和:80675

約数の個数: 40

約数和(自身を含む): 180015264

約数和(自身を除く): 109042384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 80651, 161302, 322604, 403255, 645208, 806510, 887161, 1290416, 1613020, 1774322, 3226040, 3548644, 4435805, 6452080, 7097288, 8871610, 14194576, 17743220, 35486440, 70972880]

約数ペア:

[(1, 70972880), (2, 35486440), (4, 17743220), (5, 14194576), (8, 8871610), (10, 7097288), (11, 6452080), (16, 4435805), (20, 3548644), (22, 3226040), (40, 1774322), (44, 1613020), (55, 1290416), (80, 887161), (88, 806510), (110, 645208), (176, 403255), (220, 322604), (440, 161302), (880, 80651)]