65662720

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 161075376

約数和(自身を除く): 95412656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1193, 1280, 1376, 1720, 2386, 2752, 3440, 4772, 5504, 5965, 6880, 9544, 11008, 11930, 13760, 19088, 23860, 27520, 38176, 47720, 51299, 55040, 76352, 95440, 102598, 152704, 190880, 205196, 256495, 305408, 381760, 410392, 512990, 763520, 820784, 1025980, 1527040, 1641568, 2051960, 3283136, 4103920, 6566272, 8207840, 13132544, 16415680, 32831360, 65662720]

約数ペア:

[(1, 65662720), (2, 32831360), (4, 16415680), (5, 13132544), (8, 8207840), (10, 6566272), (16, 4103920), (20, 3283136), (32, 2051960), (40, 1641568), (43, 1527040), (64, 1025980), (80, 820784), (86, 763520), (128, 512990), (160, 410392), (172, 381760), (215, 305408), (256, 256495), (320, 205196), (344, 190880), (430, 152704), (640, 102598), (688, 95440), (860, 76352), (1193, 55040), (1280, 51299), (1376, 47720), (1720, 38176), (2386, 27520), (2752, 23860), (3440, 19088), (4772, 13760), (5504, 11930), (5965, 11008), (6880, 9544)]