2012171440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1323797}}^1$

素因数の和:1323829

約数の個数: 40

約数和(自身を含む): 4924528560

約数和(自身を除く): 2912357120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1323797, 2647594, 5295188, 6618985, 10590376, 13237970, 21180752, 25152143, 26475940, 50304286, 52951880, 100608572, 105903760, 125760715, 201217144, 251521430, 402434288, 503042860, 1006085720, 2012171440]

約数ペア:

[(1, 2012171440), (2, 1006085720), (4, 503042860), (5, 402434288), (8, 251521430), (10, 201217144), (16, 125760715), (19, 105903760), (20, 100608572), (38, 52951880), (40, 50304286), (76, 26475940), (80, 25152143), (95, 21180752), (152, 13237970), (190, 10590376), (304, 6618985), (380, 5295188), (760, 2647594), (1520, 1323797)]