39982690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 42131870

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 79, 86, 107, 110, 158, 214, 215, 395, 430, 473, 535, 790, 869, 946, 1070, 1177, 1738, 2354, 2365, 3397, 4345, 4601, 4730, 5885, 6794, 8453, 8690, 9202, 11770, 16906, 16985, 23005, 33970, 37367, 42265, 46010, 50611, 74734, 84530, 92983, 101222, 185966, 186835, 253055, 363479, 373670, 464915, 506110, 726958, 929830, 1817395, 3634790, 3998269, 7996538, 19991345, 39982690]

約数ペア:

[(1, 39982690), (2, 19991345), (5, 7996538), (10, 3998269), (11, 3634790), (22, 1817395), (43, 929830), (55, 726958), (79, 506110), (86, 464915), (107, 373670), (110, 363479), (158, 253055), (214, 186835), (215, 185966), (395, 101222), (430, 92983), (473, 84530), (535, 74734), (790, 50611), (869, 46010), (946, 42265), (1070, 37367), (1177, 33970), (1738, 23005), (2354, 16985), (2365, 16906), (3397, 11770), (4345, 9202), (4601, 8690), (4730, 8453), (5885, 6794)]