89702920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28387}}^1$

素因数の和:28477

約数の個数: 32

約数和(自身を含む): 204393600

約数和(自身を除く): 114690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28387, 56774, 113548, 141935, 227096, 283870, 567740, 1135480, 2242573, 4485146, 8970292, 11212865, 17940584, 22425730, 44851460, 89702920]

約数ペア:

[(1, 89702920), (2, 44851460), (4, 22425730), (5, 17940584), (8, 11212865), (10, 8970292), (20, 4485146), (40, 2242573), (79, 1135480), (158, 567740), (316, 283870), (395, 227096), (632, 141935), (790, 113548), (1580, 56774), (3160, 28387)]