38768240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 104136192

約数和(自身を除く): 65367952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 647, 749, 856, 1070, 1294, 1498, 1712, 2140, 2588, 2996, 3235, 3745, 4280, 4529, 5176, 5992, 6470, 7490, 8560, 9058, 10352, 11984, 12940, 14980, 18116, 22645, 25880, 29960, 36232, 45290, 51760, 59920, 69229, 72464, 90580, 138458, 181160, 276916, 346145, 362320, 484603, 553832, 692290, 969206, 1107664, 1384580, 1938412, 2423015, 2769160, 3876824, 4846030, 5538320, 7753648, 9692060, 19384120, 38768240]

約数ペア:

[(1, 38768240), (2, 19384120), (4, 9692060), (5, 7753648), (7, 5538320), (8, 4846030), (10, 3876824), (14, 2769160), (16, 2423015), (20, 1938412), (28, 1384580), (35, 1107664), (40, 969206), (56, 692290), (70, 553832), (80, 484603), (107, 362320), (112, 346145), (140, 276916), (214, 181160), (280, 138458), (428, 90580), (535, 72464), (560, 69229), (647, 59920), (749, 51760), (856, 45290), (1070, 36232), (1294, 29960), (1498, 25880), (1712, 22645), (2140, 18116), (2588, 14980), (2996, 12940), (3235, 11984), (3745, 10352), (4280, 9058), (4529, 8560), (5176, 7490), (5992, 6470)]