13030280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 239, 290, 376, 470, 478, 580, 940, 956, 1160, 1195, 1363, 1880, 1912, 2390, 2726, 4780, 5452, 6815, 6931, 9560, 10904, 11233, 13630, 13862, 22466, 27260, 27724, 34655, 44932, 54520, 55448, 56165, 69310, 89864, 112330, 138620, 224660, 277240, 325757, 449320, 651514, 1303028, 1628785, 2606056, 3257570, 6515140, 13030280]

約数ペア:

[(1, 13030280), (2, 6515140), (4, 3257570), (5, 2606056), (8, 1628785), (10, 1303028), (20, 651514), (29, 449320), (40, 325757), (47, 277240), (58, 224660), (94, 138620), (116, 112330), (145, 89864), (188, 69310), (232, 56165), (235, 55448), (239, 54520), (290, 44932), (376, 34655), (470, 27724), (478, 27260), (580, 22466), (940, 13862), (956, 13630), (1160, 11233), (1195, 10904), (1363, 9560), (1880, 6931), (1912, 6815), (2390, 5452), (2726, 4780)]