40836320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 117518688

約数和(自身を除く): 76682368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 101, 112, 133, 140, 152, 160, 190, 202, 224, 266, 280, 304, 361, 380, 404, 505, 532, 560, 608, 665, 707, 722, 760, 808, 1010, 1064, 1120, 1330, 1414, 1444, 1520, 1616, 1805, 1919, 2020, 2128, 2527, 2660, 2828, 2888, 3040, 3232, 3535, 3610, 3838, 4040, 4256, 5054, 5320, 5656, 5776, 7070, 7220, 7676, 8080, 9595, 10108, 10640, 11312, 11552, 12635, 13433, 14140, 14440, 15352, 16160, 19190, 20216, 21280, 22624, 25270, 26866, 28280, 28880, 30704, 36461, 38380, 40432, 50540, 53732, 56560, 57760, 61408, 67165, 72922, 76760, 80864, 101080, 107464, 113120, 134330, 145844, 153520, 182305, 202160, 214928, 255227, 268660, 291688, 307040, 364610, 404320, 429856, 510454, 537320, 583376, 729220, 1020908, 1074640, 1166752, 1276135, 1458440, 2041816, 2149280, 2552270, 2916880, 4083632, 5104540, 5833760, 8167264, 10209080, 20418160, 40836320]

約数ペア:

[(1, 40836320), (2, 20418160), (4, 10209080), (5, 8167264), (7, 5833760), (8, 5104540), (10, 4083632), (14, 2916880), (16, 2552270), (19, 2149280), (20, 2041816), (28, 1458440), (32, 1276135), (35, 1166752), (38, 1074640), (40, 1020908), (56, 729220), (70, 583376), (76, 537320), (80, 510454), (95, 429856), (101, 404320), (112, 364610), (133, 307040), (140, 291688), (152, 268660), (160, 255227), (190, 214928), (202, 202160), (224, 182305), (266, 153520), (280, 145844), (304, 134330), (361, 113120), (380, 107464), (404, 101080), (505, 80864), (532, 76760), (560, 72922), (608, 67165), (665, 61408), (707, 57760), (722, 56560), (760, 53732), (808, 50540), (1010, 40432), (1064, 38380), (1120, 36461), (1330, 30704), (1414, 28880), (1444, 28280), (1520, 26866), (1616, 25270), (1805, 22624), (1919, 21280), (2020, 20216), (2128, 19190), (2527, 16160), (2660, 15352), (2828, 14440), (2888, 14140), (3040, 13433), (3232, 12635), (3535, 11552), (3610, 11312), (3838, 10640), (4040, 10108), (4256, 9595), (5054, 8080), (5320, 7676), (5656, 7220), (5776, 7070)]