82709120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9941}}^1$

素因数の和:9973

約数の個数: 64

約数和(自身を含む): 212957640

約数和(自身を除く): 130248520

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, 9941, 19882, 39764, 49705, 79528, 99410, 129233, 159056, 198820, 258466, 318112, 397640, 516932, 636224, 646165, 795280, 1033864, 1272448, 1292330, 1590560, 2067728, 2584660, 3181120, 4135456, 5169320, 6362240, 8270912, 10338640, 16541824, 20677280, 41354560, 82709120]

約数ペア:

[(1, 82709120), (2, 41354560), (4, 20677280), (5, 16541824), (8, 10338640), (10, 8270912), (13, 6362240), (16, 5169320), (20, 4135456), (26, 3181120), (32, 2584660), (40, 2067728), (52, 1590560), (64, 1292330), (65, 1272448), (80, 1033864), (104, 795280), (128, 646165), (130, 636224), (160, 516932), (208, 397640), (260, 318112), (320, 258466), (416, 198820), (520, 159056), (640, 129233), (832, 99410), (1040, 79528), (1664, 49705), (2080, 39764), (4160, 19882), (8320, 9941)]