29820920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9437}}^1$

素因数の和:9527

約数の個数: 32

約数和(自身を含む): 67953600

約数和(自身を除く): 38132680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9437, 18874, 37748, 47185, 75496, 94370, 188740, 377480, 745523, 1491046, 2982092, 3727615, 5964184, 7455230, 14910460, 29820920]

約数ペア:

[(1, 29820920), (2, 14910460), (4, 7455230), (5, 5964184), (8, 3727615), (10, 2982092), (20, 1491046), (40, 745523), (79, 377480), (158, 188740), (316, 94370), (395, 75496), (632, 47185), (790, 37748), (1580, 18874), (3160, 9437)]