162056540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 346731840

約数和(自身を除く): 184675300

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 181, 356, 362, 445, 503, 724, 890, 905, 1006, 1780, 1810, 2012, 2515, 3620, 5030, 10060, 16109, 32218, 44767, 64436, 80545, 89534, 91043, 161090, 179068, 182086, 223835, 322180, 364172, 447670, 455215, 895340, 910430, 1820860, 8102827, 16205654, 32411308, 40514135, 81028270, 162056540]

約数ペア:

[(1, 162056540), (2, 81028270), (4, 40514135), (5, 32411308), (10, 16205654), (20, 8102827), (89, 1820860), (178, 910430), (181, 895340), (356, 455215), (362, 447670), (445, 364172), (503, 322180), (724, 223835), (890, 182086), (905, 179068), (1006, 161090), (1780, 91043), (1810, 89534), (2012, 80545), (2515, 64436), (3620, 44767), (5030, 32218), (10060, 16109)]