8056787840

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:800

約数の個数: 128

約数和(自身を含む): 19534525920

約数和(自身を除く): 11477738080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 181, 314, 320, 362, 443, 628, 640, 724, 785, 886, 905, 1256, 1448, 1570, 1772, 1810, 2215, 2512, 2896, 3140, 3544, 3620, 4430, 5024, 5792, 6280, 7088, 7240, 8860, 10048, 11584, 12560, 14176, 14480, 17720, 20096, 23168, 25120, 28352, 28417, 28960, 35440, 50240, 56704, 56834, 57920, 69551, 70880, 80183, 100480, 113668, 115840, 139102, 141760, 142085, 160366, 227336, 278204, 283520, 284170, 320732, 347755, 400915, 454672, 556408, 568340, 641464, 695510, 801830, 909344, 1112816, 1136680, 1282928, 1391020, 1603660, 1818688, 2225632, 2273360, 2565856, 2782040, 3207320, 3637376, 4451264, 4546720, 5131712, 5564080, 6414640, 8902528, 9093440, 10263424, 11128160, 12588731, 12829280, 18186880, 22256320, 25177462, 25658560, 44512640, 50354924, 51317120, 62943655, 100709848, 125887310, 201419696, 251774620, 402839392, 503549240, 805678784, 1007098480, 1611357568, 2014196960, 4028393920, 8056787840]

約数ペア:

[(1, 8056787840), (2, 4028393920), (4, 2014196960), (5, 1611357568), (8, 1007098480), (10, 805678784), (16, 503549240), (20, 402839392), (32, 251774620), (40, 201419696), (64, 125887310), (80, 100709848), (128, 62943655), (157, 51317120), (160, 50354924), (181, 44512640), (314, 25658560), (320, 25177462), (362, 22256320), (443, 18186880), (628, 12829280), (640, 12588731), (724, 11128160), (785, 10263424), (886, 9093440), (905, 8902528), (1256, 6414640), (1448, 5564080), (1570, 5131712), (1772, 4546720), (1810, 4451264), (2215, 3637376), (2512, 3207320), (2896, 2782040), (3140, 2565856), (3544, 2273360), (3620, 2225632), (4430, 1818688), (5024, 1603660), (5792, 1391020), (6280, 1282928), (7088, 1136680), (7240, 1112816), (8860, 909344), (10048, 801830), (11584, 695510), (12560, 641464), (14176, 568340), (14480, 556408), (17720, 454672), (20096, 400915), (23168, 347755), (25120, 320732), (28352, 284170), (28417, 283520), (28960, 278204), (35440, 227336), (50240, 160366), (56704, 142085), (56834, 141760), (57920, 139102), (69551, 115840), (70880, 113668), (80183, 100480)]