40304040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47981}}^1$

素因数の和:48002

約数の個数: 64

約数和(自身を含む): 138188160

約数和(自身を除く): 97884120

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, 47981, 95962, 143943, 191924, 239905, 287886, 335867, 383848, 479810, 575772, 671734, 719715, 959620, 1007601, 1151544, 1343468, 1439430, 1679335, 1919240, 2015202, 2686936, 2878860, 3358670, 4030404, 5038005, 5757720, 6717340, 8060808, 10076010, 13434680, 20152020, 40304040]

約数ペア:

[(1, 40304040), (2, 20152020), (3, 13434680), (4, 10076010), (5, 8060808), (6, 6717340), (7, 5757720), (8, 5038005), (10, 4030404), (12, 3358670), (14, 2878860), (15, 2686936), (20, 2015202), (21, 1919240), (24, 1679335), (28, 1439430), (30, 1343468), (35, 1151544), (40, 1007601), (42, 959620), (56, 719715), (60, 671734), (70, 575772), (84, 479810), (105, 383848), (120, 335867), (140, 287886), (168, 239905), (210, 191924), (280, 143943), (420, 95962), (840, 47981)]