28103661340

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{941}}^1\times {\mathrm{3547}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 59237436384

約数和(自身を除く): 31133775044

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 941, 1684, 1882, 2105, 3547, 3764, 4210, 4705, 7094, 8420, 9410, 14188, 17735, 18820, 35470, 70940, 396161, 792322, 1493287, 1584644, 1980805, 2986574, 3337727, 3961610, 5973148, 6675454, 7466435, 7923220, 13350908, 14932870, 16688635, 29865740, 33377270, 66754540, 1405183067, 2810366134, 5620732268, 7025915335, 14051830670, 28103661340]

約数ペア:

[(1, 28103661340), (2, 14051830670), (4, 7025915335), (5, 5620732268), (10, 2810366134), (20, 1405183067), (421, 66754540), (842, 33377270), (941, 29865740), (1684, 16688635), (1882, 14932870), (2105, 13350908), (3547, 7923220), (3764, 7466435), (4210, 6675454), (4705, 5973148), (7094, 3961610), (8420, 3337727), (9410, 2986574), (14188, 1980805), (17735, 1584644), (18820, 1493287), (35470, 792322), (70940, 396161)]