165890140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33581}}^1$

素因数の和:33622

約数の個数: 48

約数和(自身を含む): 394924320

約数和(自身を除く): 229034180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 33581, 67162, 134324, 167905, 335810, 436553, 638039, 671620, 873106, 1276078, 1746212, 2182765, 2552156, 3190195, 4365530, 6380390, 8294507, 8731060, 12760780, 16589014, 33178028, 41472535, 82945070, 165890140]

約数ペア:

[(1, 165890140), (2, 82945070), (4, 41472535), (5, 33178028), (10, 16589014), (13, 12760780), (19, 8731060), (20, 8294507), (26, 6380390), (38, 4365530), (52, 3190195), (65, 2552156), (76, 2182765), (95, 1746212), (130, 1276078), (190, 873106), (247, 671620), (260, 638039), (380, 436553), (494, 335810), (988, 167905), (1235, 134324), (2470, 67162), (4940, 33581)]