2021159660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{16229}}^1$

素因数の和:16730

約数の個数: 48

約数和(自身を含む): 4580755200

約数和(自身を除く): 2559595540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 479, 958, 1916, 2395, 4790, 6227, 9580, 12454, 16229, 24908, 31135, 32458, 62270, 64916, 81145, 124540, 162290, 210977, 324580, 421954, 843908, 1054885, 2109770, 4219540, 7773691, 15547382, 31094764, 38868455, 77736910, 101057983, 155473820, 202115966, 404231932, 505289915, 1010579830, 2021159660]

約数ペア:

[(1, 2021159660), (2, 1010579830), (4, 505289915), (5, 404231932), (10, 202115966), (13, 155473820), (20, 101057983), (26, 77736910), (52, 38868455), (65, 31094764), (130, 15547382), (260, 7773691), (479, 4219540), (958, 2109770), (1916, 1054885), (2395, 843908), (4790, 421954), (6227, 324580), (9580, 210977), (12454, 162290), (16229, 124540), (24908, 81145), (31135, 64916), (32458, 62270)]