66617840

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2269}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 155376960

約数和(自身を除く): 88759120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2269, 2936, 3670, 4538, 5872, 7340, 9076, 11345, 14680, 18152, 22690, 29360, 36304, 45380, 90760, 181520, 832723, 1665446, 3330892, 4163615, 6661784, 8327230, 13323568, 16654460, 33308920, 66617840]

約数ペア:

[(1, 66617840), (2, 33308920), (4, 16654460), (5, 13323568), (8, 8327230), (10, 6661784), (16, 4163615), (20, 3330892), (40, 1665446), (80, 832723), (367, 181520), (734, 90760), (1468, 45380), (1835, 36304), (2269, 29360), (2936, 22690), (3670, 18152), (4538, 14680), (5872, 11345), (7340, 9076)]