40821620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6840

約数の個数: 48

約数和(自身を含む): 100265088

約数和(自身を除く): 59443468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 6781, 13562, 27124, 33905, 47467, 67810, 94934, 135620, 189868, 237335, 291583, 474670, 583166, 949340, 1166332, 1457915, 2041081, 2915830, 4082162, 5831660, 8164324, 10205405, 20410810, 40821620]

約数ペア:

[(1, 40821620), (2, 20410810), (4, 10205405), (5, 8164324), (7, 5831660), (10, 4082162), (14, 2915830), (20, 2041081), (28, 1457915), (35, 1166332), (43, 949340), (70, 583166), (86, 474670), (140, 291583), (172, 237335), (215, 189868), (301, 135620), (430, 94934), (602, 67810), (860, 47467), (1204, 33905), (1505, 27124), (3010, 13562), (6020, 6781)]