161181320

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8011}}^1$

素因数の和:8525

約数の個数: 32

約数和(自身を含む): 363424320

約数和(自身を除く): 202243000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 8011, 10060, 16022, 20120, 32044, 40055, 64088, 80110, 160220, 320440, 4029533, 8059066, 16118132, 20147665, 32236264, 40295330, 80590660, 161181320]

約数ペア:

[(1, 161181320), (2, 80590660), (4, 40295330), (5, 32236264), (8, 20147665), (10, 16118132), (20, 8059066), (40, 4029533), (503, 320440), (1006, 160220), (2012, 80110), (2515, 64088), (4024, 40055), (5030, 32044), (8011, 20120), (10060, 16022)]