40028872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8951}}^1$

素因数の和:9013

約数の個数: 32

約数和(自身を含む): 82716480

約数和(自身を除く): 42687608

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 8951, 17902, 35804, 71608, 116363, 232726, 384893, 465452, 769786, 930904, 1539572, 3079144, 5003609, 10007218, 20014436, 40028872]

約数ペア:

[(1, 40028872), (2, 20014436), (4, 10007218), (8, 5003609), (13, 3079144), (26, 1539572), (43, 930904), (52, 769786), (86, 465452), (104, 384893), (172, 232726), (344, 116363), (559, 71608), (1118, 35804), (2236, 17902), (4472, 8951)]