80863120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5981}}^1$

素因数の和:6020

約数の個数: 60

約数和(自身を含む): 203615316

約数和(自身を除く): 122752196

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5981, 6760, 11962, 13520, 23924, 29905, 47848, 59810, 77753, 95696, 119620, 155506, 239240, 311012, 388765, 478480, 622024, 777530, 1010789, 1244048, 1555060, 2021578, 3110120, 4043156, 5053945, 6220240, 8086312, 10107890, 16172624, 20215780, 40431560, 80863120]

約数ペア:

[(1, 80863120), (2, 40431560), (4, 20215780), (5, 16172624), (8, 10107890), (10, 8086312), (13, 6220240), (16, 5053945), (20, 4043156), (26, 3110120), (40, 2021578), (52, 1555060), (65, 1244048), (80, 1010789), (104, 777530), (130, 622024), (169, 478480), (208, 388765), (260, 311012), (338, 239240), (520, 155506), (676, 119620), (845, 95696), (1040, 77753), (1352, 59810), (1690, 47848), (2704, 29905), (3380, 23924), (5981, 13520), (6760, 11962)]