165892280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2243}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 382310280

約数和(自身を除く): 216418000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 2243, 3698, 4486, 7396, 8972, 9245, 11215, 14792, 17944, 18490, 22430, 36980, 44860, 73960, 89720, 96449, 192898, 385796, 482245, 771592, 964490, 1928980, 3857960, 4147307, 8294614, 16589228, 20736535, 33178456, 41473070, 82946140, 165892280]

約数ペア:

[(1, 165892280), (2, 82946140), (4, 41473070), (5, 33178456), (8, 20736535), (10, 16589228), (20, 8294614), (40, 4147307), (43, 3857960), (86, 1928980), (172, 964490), (215, 771592), (344, 482245), (430, 385796), (860, 192898), (1720, 96449), (1849, 89720), (2243, 73960), (3698, 44860), (4486, 36980), (7396, 22430), (8972, 18490), (9245, 17944), (11215, 14792)]