79405520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 193862592

約数和(自身を除く): 114457072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 563, 656, 688, 820, 860, 1126, 1640, 1720, 1763, 2252, 2815, 3280, 3440, 3526, 4504, 5630, 7052, 8815, 9008, 11260, 14104, 17630, 22520, 23083, 24209, 28208, 35260, 45040, 46166, 48418, 70520, 92332, 96836, 115415, 121045, 141040, 184664, 193672, 230830, 242090, 369328, 387344, 461660, 484180, 923320, 968360, 992569, 1846640, 1936720, 1985138, 3970276, 4962845, 7940552, 9925690, 15881104, 19851380, 39702760, 79405520]

約数ペア:

[(1, 79405520), (2, 39702760), (4, 19851380), (5, 15881104), (8, 9925690), (10, 7940552), (16, 4962845), (20, 3970276), (40, 1985138), (41, 1936720), (43, 1846640), (80, 992569), (82, 968360), (86, 923320), (164, 484180), (172, 461660), (205, 387344), (215, 369328), (328, 242090), (344, 230830), (410, 193672), (430, 184664), (563, 141040), (656, 121045), (688, 115415), (820, 96836), (860, 92332), (1126, 70520), (1640, 48418), (1720, 46166), (1763, 45040), (2252, 35260), (2815, 28208), (3280, 24209), (3440, 23083), (3526, 22520), (4504, 17630), (5630, 14104), (7052, 11260), (8815, 9008)]