40288920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47963}}^1$

素因数の和:47984

約数の個数: 64

約数和(自身を含む): 138136320

約数和(自身を除く): 97847400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47963, 95926, 143889, 191852, 239815, 287778, 335741, 383704, 479630, 575556, 671482, 719445, 959260, 1007223, 1151112, 1342964, 1438890, 1678705, 1918520, 2014446, 2685928, 2877780, 3357410, 4028892, 5036115, 5755560, 6714820, 8057784, 10072230, 13429640, 20144460, 40288920]

約数ペア:

[(1, 40288920), (2, 20144460), (3, 13429640), (4, 10072230), (5, 8057784), (6, 6714820), (7, 5755560), (8, 5036115), (10, 4028892), (12, 3357410), (14, 2877780), (15, 2685928), (20, 2014446), (21, 1918520), (24, 1678705), (28, 1438890), (30, 1342964), (35, 1151112), (40, 1007223), (42, 959260), (56, 719445), (60, 671482), (70, 575556), (84, 479630), (105, 383704), (120, 335741), (140, 287778), (168, 239815), (210, 191852), (280, 143889), (420, 95926), (840, 47963)]