80025920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19237}}^1$

素因数の和:19267

約数の個数: 56

約数和(自身を含む): 205230984

約数和(自身を除く): 125205064

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, 19237, 38474, 76948, 96185, 153896, 192370, 250081, 307792, 384740, 500162, 615584, 769480, 1000324, 1231168, 1250405, 1538960, 2000648, 2500810, 3077920, 4001296, 5001620, 6155840, 8002592, 10003240, 16005184, 20006480, 40012960, 80025920]

約数ペア:

[(1, 80025920), (2, 40012960), (4, 20006480), (5, 16005184), (8, 10003240), (10, 8002592), (13, 6155840), (16, 5001620), (20, 4001296), (26, 3077920), (32, 2500810), (40, 2000648), (52, 1538960), (64, 1250405), (65, 1231168), (80, 1000324), (104, 769480), (130, 615584), (160, 500162), (208, 384740), (260, 307792), (320, 250081), (416, 192370), (520, 153896), (832, 96185), (1040, 76948), (2080, 38474), (4160, 19237)]