66123760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7583}}^1$

素因数の和:7705

約数の個数: 40

約数和(自身を含む): 155168640

約数和(自身を除く): 89044880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 7583, 8720, 15166, 30332, 37915, 60664, 75830, 121328, 151660, 303320, 606640, 826547, 1653094, 3306188, 4132735, 6612376, 8265470, 13224752, 16530940, 33061880, 66123760]

約数ペア:

[(1, 66123760), (2, 33061880), (4, 16530940), (5, 13224752), (8, 8265470), (10, 6612376), (16, 4132735), (20, 3306188), (40, 1653094), (80, 826547), (109, 606640), (218, 303320), (436, 151660), (545, 121328), (872, 75830), (1090, 60664), (1744, 37915), (2180, 30332), (4360, 15166), (7583, 8720)]