39928480

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1531}}^1$

素因数の和:1709

約数の個数: 48

約数和(自身を含む): 94971744

約数和(自身を除く): 55043264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1531, 1630, 2608, 3062, 3260, 5216, 6124, 6520, 7655, 12248, 13040, 15310, 24496, 26080, 30620, 48992, 61240, 122480, 244960, 249553, 499106, 998212, 1247765, 1996424, 2495530, 3992848, 4991060, 7985696, 9982120, 19964240, 39928480]

約数ペア:

[(1, 39928480), (2, 19964240), (4, 9982120), (5, 7985696), (8, 4991060), (10, 3992848), (16, 2495530), (20, 1996424), (32, 1247765), (40, 998212), (80, 499106), (160, 249553), (163, 244960), (326, 122480), (652, 61240), (815, 48992), (1304, 30620), (1531, 26080), (1630, 24496), (2608, 15310), (3062, 13040), (3260, 12248), (5216, 7655), (6124, 6520)]