39891968

素因数分解:

$2^{10}\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 44

約数和(自身を含む): 80569920

約数和(自身を除く): 40677952

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 239, 256, 326, 478, 512, 652, 956, 1024, 1304, 1912, 2608, 3824, 5216, 7648, 10432, 15296, 20864, 30592, 38957, 41728, 61184, 77914, 83456, 122368, 155828, 166912, 244736, 311656, 623312, 1246624, 2493248, 4986496, 9972992, 19945984, 39891968]

約数ペア:

[(1, 39891968), (2, 19945984), (4, 9972992), (8, 4986496), (16, 2493248), (32, 1246624), (64, 623312), (128, 311656), (163, 244736), (239, 166912), (256, 155828), (326, 122368), (478, 83456), (512, 77914), (652, 61184), (956, 41728), (1024, 38957), (1304, 30592), (1912, 20864), (2608, 15296), (3824, 10432), (5216, 7648)]