82388080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 117599120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 239, 248, 278, 310, 478, 496, 556, 620, 695, 956, 1112, 1195, 1240, 1390, 1912, 2224, 2390, 2480, 2780, 3824, 4309, 4780, 5560, 7409, 8618, 9560, 11120, 14818, 17236, 19120, 21545, 29636, 33221, 34472, 37045, 43090, 59272, 66442, 68944, 74090, 86180, 118544, 132884, 148180, 166105, 172360, 265768, 296360, 332210, 344720, 531536, 592720, 664420, 1029851, 1328840, 2059702, 2657680, 4119404, 5149255, 8238808, 10298510, 16477616, 20597020, 41194040, 82388080]

約数ペア:

[(1, 82388080), (2, 41194040), (4, 20597020), (5, 16477616), (8, 10298510), (10, 8238808), (16, 5149255), (20, 4119404), (31, 2657680), (40, 2059702), (62, 1328840), (80, 1029851), (124, 664420), (139, 592720), (155, 531536), (239, 344720), (248, 332210), (278, 296360), (310, 265768), (478, 172360), (496, 166105), (556, 148180), (620, 132884), (695, 118544), (956, 86180), (1112, 74090), (1195, 68944), (1240, 66442), (1390, 59272), (1912, 43090), (2224, 37045), (2390, 34472), (2480, 33221), (2780, 29636), (3824, 21545), (4309, 19120), (4780, 17236), (5560, 14818), (7409, 11120), (8618, 9560)]