28255020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27701}}^1$

素因数の和:27730

約数の個数: 48

約数和(自身を含む): 83770848

約数和(自身を除く): 55515828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27701, 55402, 83103, 110804, 138505, 166206, 277010, 332412, 415515, 470917, 554020, 831030, 941834, 1412751, 1662060, 1883668, 2354585, 2825502, 4709170, 5651004, 7063755, 9418340, 14127510, 28255020]

約数ペア:

[(1, 28255020), (2, 14127510), (3, 9418340), (4, 7063755), (5, 5651004), (6, 4709170), (10, 2825502), (12, 2354585), (15, 1883668), (17, 1662060), (20, 1412751), (30, 941834), (34, 831030), (51, 554020), (60, 470917), (68, 415515), (85, 332412), (102, 277010), (170, 166206), (204, 138505), (255, 110804), (340, 83103), (510, 55402), (1020, 27701)]