2040803440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 5166151488

約数和(自身を除く): 3125348048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 271, 338, 520, 542, 557, 676, 845, 1040, 1084, 1114, 1352, 1355, 1690, 2168, 2228, 2704, 2710, 2785, 3380, 3523, 4336, 4456, 5420, 5570, 6760, 7046, 7241, 8912, 10840, 11140, 13520, 14092, 14482, 17615, 21680, 22280, 28184, 28964, 35230, 36205, 44560, 45799, 56368, 57928, 70460, 72410, 91598, 94133, 115856, 140920, 144820, 150947, 183196, 188266, 228995, 281840, 289640, 301894, 366392, 376532, 457990, 470665, 579280, 603788, 732784, 753064, 754735, 915980, 941330, 1207576, 1506128, 1509470, 1831960, 1882660, 1962311, 2415152, 3018940, 3663920, 3765320, 3924622, 6037880, 7530640, 7849244, 9811555, 12075760, 15698488, 19623110, 25510043, 31396976, 39246220, 51020086, 78492440, 102040172, 127550215, 156984880, 204080344, 255100430, 408160688, 510200860, 1020401720, 2040803440]

約数ペア:

[(1, 2040803440), (2, 1020401720), (4, 510200860), (5, 408160688), (8, 255100430), (10, 204080344), (13, 156984880), (16, 127550215), (20, 102040172), (26, 78492440), (40, 51020086), (52, 39246220), (65, 31396976), (80, 25510043), (104, 19623110), (130, 15698488), (169, 12075760), (208, 9811555), (260, 7849244), (271, 7530640), (338, 6037880), (520, 3924622), (542, 3765320), (557, 3663920), (676, 3018940), (845, 2415152), (1040, 1962311), (1084, 1882660), (1114, 1831960), (1352, 1509470), (1355, 1506128), (1690, 1207576), (2168, 941330), (2228, 915980), (2704, 754735), (2710, 753064), (2785, 732784), (3380, 603788), (3523, 579280), (4336, 470665), (4456, 457990), (5420, 376532), (5570, 366392), (6760, 301894), (7046, 289640), (7241, 281840), (8912, 228995), (10840, 188266), (11140, 183196), (13520, 150947), (14092, 144820), (14482, 140920), (17615, 115856), (21680, 94133), (22280, 91598), (28184, 72410), (28964, 70460), (35230, 57928), (36205, 56368), (44560, 45799)]