40028520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47653}}^1$

素因数の和:47674

約数の個数: 64

約数和(自身を含む): 137243520

約数和(自身を除く): 97215000

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, 47653, 95306, 142959, 190612, 238265, 285918, 333571, 381224, 476530, 571836, 667142, 714795, 953060, 1000713, 1143672, 1334284, 1429590, 1667855, 1906120, 2001426, 2668568, 2859180, 3335710, 4002852, 5003565, 5718360, 6671420, 8005704, 10007130, 13342840, 20014260, 40028520]

約数ペア:

[(1, 40028520), (2, 20014260), (3, 13342840), (4, 10007130), (5, 8005704), (6, 6671420), (7, 5718360), (8, 5003565), (10, 4002852), (12, 3335710), (14, 2859180), (15, 2668568), (20, 2001426), (21, 1906120), (24, 1667855), (28, 1429590), (30, 1334284), (35, 1143672), (40, 1000713), (42, 953060), (56, 714795), (60, 667142), (70, 571836), (84, 476530), (105, 381224), (120, 333571), (140, 285918), (168, 238265), (210, 190612), (280, 142959), (420, 95306), (840, 47653)]