39147920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 66916720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1319, 1484, 1855, 2120, 2638, 2968, 3710, 4240, 5276, 5936, 6595, 7420, 9233, 10552, 13190, 14840, 18466, 21104, 26380, 29680, 36932, 46165, 52760, 69907, 73864, 92330, 105520, 139814, 147728, 184660, 279628, 349535, 369320, 489349, 559256, 699070, 738640, 978698, 1118512, 1398140, 1957396, 2446745, 2796280, 3914792, 4893490, 5592560, 7829584, 9786980, 19573960, 39147920]

約数ペア:

[(1, 39147920), (2, 19573960), (4, 9786980), (5, 7829584), (7, 5592560), (8, 4893490), (10, 3914792), (14, 2796280), (16, 2446745), (20, 1957396), (28, 1398140), (35, 1118512), (40, 978698), (53, 738640), (56, 699070), (70, 559256), (80, 489349), (106, 369320), (112, 349535), (140, 279628), (212, 184660), (265, 147728), (280, 139814), (371, 105520), (424, 92330), (530, 73864), (560, 69907), (742, 52760), (848, 46165), (1060, 36932), (1319, 29680), (1484, 26380), (1855, 21104), (2120, 18466), (2638, 14840), (2968, 13190), (3710, 10552), (4240, 9233), (5276, 7420), (5936, 6595)]