2000048320

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:978

約数の個数: 112

約数和(自身を含む): 4918118688

約数和(自身を除く): 2918070368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 251, 296, 320, 370, 502, 592, 673, 740, 1004, 1184, 1255, 1346, 1480, 2008, 2368, 2510, 2692, 2960, 3365, 4016, 5020, 5384, 5920, 6730, 8032, 9287, 10040, 10768, 11840, 13460, 16064, 18574, 20080, 21536, 24901, 26920, 37148, 40160, 43072, 46435, 49802, 53840, 74296, 80320, 92870, 99604, 107680, 124505, 148592, 168923, 185740, 199208, 215360, 249010, 297184, 337846, 371480, 398416, 498020, 594368, 675692, 742960, 796832, 844615, 996040, 1351384, 1485920, 1593664, 1689230, 1992080, 2702768, 2971840, 3378460, 3984160, 5405536, 6250151, 6756920, 7968320, 10811072, 12500302, 13513840, 25000604, 27027680, 31250755, 50001208, 54055360, 62501510, 100002416, 125003020, 200004832, 250006040, 400009664, 500012080, 1000024160, 2000048320]

約数ペア:

[(1, 2000048320), (2, 1000024160), (4, 500012080), (5, 400009664), (8, 250006040), (10, 200004832), (16, 125003020), (20, 100002416), (32, 62501510), (37, 54055360), (40, 50001208), (64, 31250755), (74, 27027680), (80, 25000604), (148, 13513840), (160, 12500302), (185, 10811072), (251, 7968320), (296, 6756920), (320, 6250151), (370, 5405536), (502, 3984160), (592, 3378460), (673, 2971840), (740, 2702768), (1004, 1992080), (1184, 1689230), (1255, 1593664), (1346, 1485920), (1480, 1351384), (2008, 996040), (2368, 844615), (2510, 796832), (2692, 742960), (2960, 675692), (3365, 594368), (4016, 498020), (5020, 398416), (5384, 371480), (5920, 337846), (6730, 297184), (8032, 249010), (9287, 215360), (10040, 199208), (10768, 185740), (11840, 168923), (13460, 148592), (16064, 124505), (18574, 107680), (20080, 99604), (21536, 92870), (24901, 80320), (26920, 74296), (37148, 53840), (40160, 49802), (43072, 46435)]