40008920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3323}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 105304320

約数和(自身を除く): 65295400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 3323, 6020, 6646, 12040, 13292, 16615, 23261, 26584, 33230, 46522, 66460, 93044, 116305, 132920, 142889, 186088, 232610, 285778, 465220, 571556, 714445, 930440, 1000223, 1143112, 1428890, 2000446, 2857780, 4000892, 5001115, 5715560, 8001784, 10002230, 20004460, 40008920]

約数ペア:

[(1, 40008920), (2, 20004460), (4, 10002230), (5, 8001784), (7, 5715560), (8, 5001115), (10, 4000892), (14, 2857780), (20, 2000446), (28, 1428890), (35, 1143112), (40, 1000223), (43, 930440), (56, 714445), (70, 571556), (86, 465220), (140, 285778), (172, 232610), (215, 186088), (280, 142889), (301, 132920), (344, 116305), (430, 93044), (602, 66460), (860, 46522), (1204, 33230), (1505, 26584), (1720, 23261), (2408, 16615), (3010, 13292), (3323, 12040), (6020, 6646)]