39928928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1887

約数の個数: 48

約数和(自身を含む): 86301936

約数和(自身を除く): 46373008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 1378, 1696, 1811, 2756, 3622, 5512, 7244, 11024, 14488, 22048, 23543, 28976, 47086, 57952, 94172, 95983, 188344, 191966, 376688, 383932, 753376, 767864, 1247779, 1535728, 2495558, 3071456, 4991116, 9982232, 19964464, 39928928]

約数ペア:

[(1, 39928928), (2, 19964464), (4, 9982232), (8, 4991116), (13, 3071456), (16, 2495558), (26, 1535728), (32, 1247779), (52, 767864), (53, 753376), (104, 383932), (106, 376688), (208, 191966), (212, 188344), (416, 95983), (424, 94172), (689, 57952), (848, 47086), (1378, 28976), (1696, 23543), (1811, 22048), (2756, 14488), (3622, 11024), (5512, 7244)]