2500318720

素因数分解:

$2^9\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1181}}^1$

素因数の和:2031

約数の個数: 80

約数和(自身を含む): 6007236048

約数和(自身を除く): 3506917328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 827, 1181, 1280, 1654, 2362, 2560, 3308, 4135, 4724, 5905, 6616, 8270, 9448, 11810, 13232, 16540, 18896, 23620, 26464, 33080, 37792, 47240, 52928, 66160, 75584, 94480, 105856, 132320, 151168, 188960, 211712, 264640, 302336, 377920, 423424, 529280, 604672, 755840, 976687, 1058560, 1511680, 1953374, 2117120, 3023360, 3906748, 4883435, 7813496, 9766870, 15626992, 19533740, 31253984, 39067480, 62507968, 78134960, 125015936, 156269920, 250031872, 312539840, 500063744, 625079680, 1250159360, 2500318720]

約数ペア:

[(1, 2500318720), (2, 1250159360), (4, 625079680), (5, 500063744), (8, 312539840), (10, 250031872), (16, 156269920), (20, 125015936), (32, 78134960), (40, 62507968), (64, 39067480), (80, 31253984), (128, 19533740), (160, 15626992), (256, 9766870), (320, 7813496), (512, 4883435), (640, 3906748), (827, 3023360), (1181, 2117120), (1280, 1953374), (1654, 1511680), (2362, 1058560), (2560, 976687), (3308, 755840), (4135, 604672), (4724, 529280), (5905, 423424), (6616, 377920), (8270, 302336), (9448, 264640), (11810, 211712), (13232, 188960), (16540, 151168), (18896, 132320), (23620, 105856), (26464, 94480), (33080, 75584), (37792, 66160), (47240, 52928)]