328045120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78857}}^1$

素因数の和:78887

約数の個数: 56

約数和(自身を含む): 841257144

約数和(自身を除く): 513212024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 78857, 157714, 315428, 394285, 630856, 788570, 1025141, 1261712, 1577140, 2050282, 2523424, 3154280, 4100564, 5046848, 5125705, 6308560, 8201128, 10251410, 12617120, 16402256, 20502820, 25234240, 32804512, 41005640, 65609024, 82011280, 164022560, 328045120]

約数ペア:

[(1, 328045120), (2, 164022560), (4, 82011280), (5, 65609024), (8, 41005640), (10, 32804512), (13, 25234240), (16, 20502820), (20, 16402256), (26, 12617120), (32, 10251410), (40, 8201128), (52, 6308560), (64, 5125705), (65, 5046848), (80, 4100564), (104, 3154280), (130, 2523424), (160, 2050282), (208, 1577140), (260, 1261712), (320, 1025141), (416, 788570), (520, 630856), (832, 394285), (1040, 315428), (2080, 157714), (4160, 78857)]