12318860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 26968032

約数和(自身を除く): 14649172

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 181, 205, 332, 362, 410, 415, 724, 820, 830, 905, 1660, 1810, 3403, 3620, 6806, 7421, 13612, 14842, 15023, 17015, 29684, 30046, 34030, 37105, 60092, 68060, 74210, 75115, 148420, 150230, 300460, 615943, 1231886, 2463772, 3079715, 6159430, 12318860]

約数ペア:

[(1, 12318860), (2, 6159430), (4, 3079715), (5, 2463772), (10, 1231886), (20, 615943), (41, 300460), (82, 150230), (83, 148420), (164, 75115), (166, 74210), (181, 68060), (205, 60092), (332, 37105), (362, 34030), (410, 30046), (415, 29684), (724, 17015), (820, 15023), (830, 14842), (905, 13612), (1660, 7421), (1810, 6806), (3403, 3620)]