39689540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 51756220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 809, 892, 1115, 1618, 2230, 2453, 3236, 4045, 4460, 4906, 8090, 8899, 9812, 12265, 16180, 17798, 24530, 35596, 44495, 49060, 88990, 177980, 180407, 360814, 721628, 902035, 1804070, 1984477, 3608140, 3968954, 7937908, 9922385, 19844770, 39689540]

約数ペア:

[(1, 39689540), (2, 19844770), (4, 9922385), (5, 7937908), (10, 3968954), (11, 3608140), (20, 1984477), (22, 1804070), (44, 902035), (55, 721628), (110, 360814), (220, 180407), (223, 177980), (446, 88990), (809, 49060), (892, 44495), (1115, 35596), (1618, 24530), (2230, 17798), (2453, 16180), (3236, 12265), (4045, 9812), (4460, 8899), (4906, 8090)]