8749520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13749040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 179, 188, 208, 235, 260, 358, 376, 470, 520, 611, 716, 752, 895, 940, 1040, 1222, 1432, 1790, 1880, 2327, 2444, 2864, 3055, 3580, 3760, 4654, 4888, 6110, 7160, 8413, 9308, 9776, 11635, 12220, 14320, 16826, 18616, 23270, 24440, 33652, 37232, 42065, 46540, 48880, 67304, 84130, 93080, 109369, 134608, 168260, 186160, 218738, 336520, 437476, 546845, 673040, 874952, 1093690, 1749904, 2187380, 4374760, 8749520]

約数ペア:

[(1, 8749520), (2, 4374760), (4, 2187380), (5, 1749904), (8, 1093690), (10, 874952), (13, 673040), (16, 546845), (20, 437476), (26, 336520), (40, 218738), (47, 186160), (52, 168260), (65, 134608), (80, 109369), (94, 93080), (104, 84130), (130, 67304), (179, 48880), (188, 46540), (208, 42065), (235, 37232), (260, 33652), (358, 24440), (376, 23270), (470, 18616), (520, 16826), (611, 14320), (716, 12220), (752, 11635), (895, 9776), (940, 9308), (1040, 8413), (1222, 7160), (1432, 6110), (1790, 4888), (1880, 4654), (2327, 3760), (2444, 3580), (2864, 3055)]