2011192720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{2707}}^1$

素因数の和:3008

約数の個数: 80

約数和(自身を含む): 4823316288

約数和(自身を除く): 2812123568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 251, 296, 370, 502, 592, 740, 1004, 1255, 1480, 2008, 2510, 2707, 2960, 4016, 5020, 5414, 9287, 10040, 10828, 13535, 18574, 20080, 21656, 27070, 37148, 43312, 46435, 54140, 74296, 92870, 100159, 108280, 148592, 185740, 200318, 216560, 371480, 400636, 500795, 679457, 742960, 801272, 1001590, 1358914, 1602544, 2003180, 2717828, 3397285, 4006360, 5435656, 6794570, 8012720, 10871312, 13589140, 25139909, 27178280, 50279818, 54356560, 100559636, 125699545, 201119272, 251399090, 402238544, 502798180, 1005596360, 2011192720]

約数ペア:

[(1, 2011192720), (2, 1005596360), (4, 502798180), (5, 402238544), (8, 251399090), (10, 201119272), (16, 125699545), (20, 100559636), (37, 54356560), (40, 50279818), (74, 27178280), (80, 25139909), (148, 13589140), (185, 10871312), (251, 8012720), (296, 6794570), (370, 5435656), (502, 4006360), (592, 3397285), (740, 2717828), (1004, 2003180), (1255, 1602544), (1480, 1358914), (2008, 1001590), (2510, 801272), (2707, 742960), (2960, 679457), (4016, 500795), (5020, 400636), (5414, 371480), (9287, 216560), (10040, 200318), (10828, 185740), (13535, 148592), (18574, 108280), (20080, 100159), (21656, 92870), (27070, 74296), (37148, 54140), (43312, 46435)]