80529280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9679}}^1$

素因数の和:9711

約数の個数: 64

約数和(自身を含む): 207345600

約数和(自身を除く): 126816320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9679, 19358, 38716, 48395, 77432, 96790, 125827, 154864, 193580, 251654, 309728, 387160, 503308, 619456, 629135, 774320, 1006616, 1238912, 1258270, 1548640, 2013232, 2516540, 3097280, 4026464, 5033080, 6194560, 8052928, 10066160, 16105856, 20132320, 40264640, 80529280]

約数ペア:

[(1, 80529280), (2, 40264640), (4, 20132320), (5, 16105856), (8, 10066160), (10, 8052928), (13, 6194560), (16, 5033080), (20, 4026464), (26, 3097280), (32, 2516540), (40, 2013232), (52, 1548640), (64, 1258270), (65, 1238912), (80, 1006616), (104, 774320), (128, 629135), (130, 619456), (160, 503308), (208, 387160), (260, 309728), (320, 251654), (416, 193580), (520, 154864), (640, 125827), (832, 96790), (1040, 77432), (1664, 48395), (2080, 38716), (4160, 19358), (8320, 9679)]