81203680

素因数分解:

$2^5\times 5^1\times {\mathrm{507523}}^1$

素因数の和:507538

約数の個数: 24

約数和(自身を含む): 191844072

約数和(自身を除く): 110640392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 507523, 1015046, 2030092, 2537615, 4060184, 5075230, 8120368, 10150460, 16240736, 20300920, 40601840, 81203680]

約数ペア:

[(1, 81203680), (2, 40601840), (4, 20300920), (5, 16240736), (8, 10150460), (10, 8120368), (16, 5075230), (20, 4060184), (32, 2537615), (40, 2030092), (80, 1015046), (160, 507523)]