165426640

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4111}}^1$

素因数の和:4627

約数の個数: 40

約数和(自身を含む): 385475328

約数和(自身を除く): 220048688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 4111, 5030, 8048, 8222, 10060, 16444, 20120, 20555, 32888, 40240, 41110, 65776, 82220, 164440, 328880, 2067833, 4135666, 8271332, 10339165, 16542664, 20678330, 33085328, 41356660, 82713320, 165426640]

約数ペア:

[(1, 165426640), (2, 82713320), (4, 41356660), (5, 33085328), (8, 20678330), (10, 16542664), (16, 10339165), (20, 8271332), (40, 4135666), (80, 2067833), (503, 328880), (1006, 164440), (2012, 82220), (2515, 65776), (4024, 41110), (4111, 40240), (5030, 32888), (8048, 20555), (8222, 20120), (10060, 16444)]