160482020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{977}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 347010048

約数和(自身を除く): 186528028

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 191, 215, 382, 430, 764, 860, 955, 977, 1910, 1954, 3820, 3908, 4885, 8213, 9770, 16426, 19540, 32852, 41065, 42011, 82130, 84022, 164260, 168044, 186607, 210055, 373214, 420110, 746428, 840220, 933035, 1866070, 3732140, 8024101, 16048202, 32096404, 40120505, 80241010, 160482020]

約数ペア:

[(1, 160482020), (2, 80241010), (4, 40120505), (5, 32096404), (10, 16048202), (20, 8024101), (43, 3732140), (86, 1866070), (172, 933035), (191, 840220), (215, 746428), (382, 420110), (430, 373214), (764, 210055), (860, 186607), (955, 168044), (977, 164260), (1910, 84022), (1954, 82130), (3820, 42011), (3908, 41065), (4885, 32852), (8213, 19540), (9770, 16426)]