83678440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28657}}^1$

素因数の和:28741

約数の個数: 32

約数和(自身を含む): 190862280

約数和(自身を除く): 107183840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 28657, 57314, 114628, 143285, 229256, 286570, 573140, 1146280, 2091961, 4183922, 8367844, 10459805, 16735688, 20919610, 41839220, 83678440]

約数ペア:

[(1, 83678440), (2, 41839220), (4, 20919610), (5, 16735688), (8, 10459805), (10, 8367844), (20, 4183922), (40, 2091961), (73, 1146280), (146, 573140), (292, 286570), (365, 229256), (584, 143285), (730, 114628), (1460, 57314), (2920, 28657)]