51401080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 124416000

約数和(自身を除く): 73014920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1439, 1786, 1880, 2878, 3572, 4465, 5756, 7144, 7195, 8930, 11512, 14390, 17860, 27341, 28780, 35720, 54682, 57560, 67633, 109364, 135266, 136705, 218728, 270532, 273410, 338165, 541064, 546820, 676330, 1093640, 1285027, 1352660, 2570054, 2705320, 5140108, 6425135, 10280216, 12850270, 25700540, 51401080]

約数ペア:

[(1, 51401080), (2, 25700540), (4, 12850270), (5, 10280216), (8, 6425135), (10, 5140108), (19, 2705320), (20, 2570054), (38, 1352660), (40, 1285027), (47, 1093640), (76, 676330), (94, 546820), (95, 541064), (152, 338165), (188, 273410), (190, 270532), (235, 218728), (376, 136705), (380, 135266), (470, 109364), (760, 67633), (893, 57560), (940, 54682), (1439, 35720), (1786, 28780), (1880, 27341), (2878, 17860), (3572, 14390), (4465, 11512), (5756, 8930), (7144, 7195)]