15491440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4723}}^1$

素因数の和:4777

約数の個数: 40

約数和(自身を含む): 36903888

約数和(自身を除く): 21412448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4723, 9446, 18892, 23615, 37784, 47230, 75568, 94460, 188920, 193643, 377840, 387286, 774572, 968215, 1549144, 1936430, 3098288, 3872860, 7745720, 15491440]

約数ペア:

[(1, 15491440), (2, 7745720), (4, 3872860), (5, 3098288), (8, 1936430), (10, 1549144), (16, 968215), (20, 774572), (40, 387286), (41, 377840), (80, 193643), (82, 188920), (164, 94460), (205, 75568), (328, 47230), (410, 37784), (656, 23615), (820, 18892), (1640, 9446), (3280, 4723)]