29984720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5279}}^1$

素因数の和:5363

約数の個数: 40

約数和(自身を含む): 70709760

約数和(自身を除く): 40725040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5279, 5680, 10558, 21116, 26395, 42232, 52790, 84464, 105580, 211160, 374809, 422320, 749618, 1499236, 1874045, 2998472, 3748090, 5996944, 7496180, 14992360, 29984720]

約数ペア:

[(1, 29984720), (2, 14992360), (4, 7496180), (5, 5996944), (8, 3748090), (10, 2998472), (16, 1874045), (20, 1499236), (40, 749618), (71, 422320), (80, 374809), (142, 211160), (284, 105580), (355, 84464), (568, 52790), (710, 42232), (1136, 26395), (1420, 21116), (2840, 10558), (5279, 5680)]