2018125520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{475973}}^1$

素因数の和:476039

約数の個数: 40

約数和(自身を含む): 4780682856

約数和(自身を除く): 2762557336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 475973, 951946, 1903892, 2379865, 3807784, 4759730, 7615568, 9519460, 19038920, 25226569, 38077840, 50453138, 100906276, 126132845, 201812552, 252265690, 403625104, 504531380, 1009062760, 2018125520]

約数ペア:

[(1, 2018125520), (2, 1009062760), (4, 504531380), (5, 403625104), (8, 252265690), (10, 201812552), (16, 126132845), (20, 100906276), (40, 50453138), (53, 38077840), (80, 25226569), (106, 19038920), (212, 9519460), (265, 7615568), (424, 4759730), (530, 3807784), (848, 2379865), (1060, 1903892), (2120, 951946), (4240, 475973)]