2019495320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{4099}}^1$

素因数の和:4332

約数の個数: 64

約数和(自身を含む): 4627260000

約数和(自身を除く): 2607764680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 113, 218, 226, 436, 452, 545, 565, 872, 904, 1090, 1130, 2180, 2260, 4099, 4360, 4520, 8198, 12317, 16396, 20495, 24634, 32792, 40990, 49268, 61585, 81980, 98536, 123170, 163960, 246340, 446791, 463187, 492680, 893582, 926374, 1787164, 1852748, 2233955, 2315935, 3574328, 3705496, 4467910, 4631870, 8935820, 9263740, 17871640, 18527480, 50487383, 100974766, 201949532, 252436915, 403899064, 504873830, 1009747660, 2019495320]

約数ペア:

[(1, 2019495320), (2, 1009747660), (4, 504873830), (5, 403899064), (8, 252436915), (10, 201949532), (20, 100974766), (40, 50487383), (109, 18527480), (113, 17871640), (218, 9263740), (226, 8935820), (436, 4631870), (452, 4467910), (545, 3705496), (565, 3574328), (872, 2315935), (904, 2233955), (1090, 1852748), (1130, 1787164), (2180, 926374), (2260, 893582), (4099, 492680), (4360, 463187), (4520, 446791), (8198, 246340), (12317, 163960), (16396, 123170), (20495, 98536), (24634, 81980), (32792, 61585), (40990, 49268)]