80041760

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 196862400

約数和(自身を除く): 116820640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 61, 80, 118, 122, 139, 160, 236, 244, 278, 295, 305, 472, 488, 556, 590, 610, 695, 944, 976, 1112, 1180, 1220, 1390, 1888, 1952, 2224, 2360, 2440, 2780, 3599, 4448, 4720, 4880, 5560, 7198, 8201, 8479, 9440, 9760, 11120, 14396, 16402, 16958, 17995, 22240, 28792, 32804, 33916, 35990, 41005, 42395, 57584, 65608, 67832, 71980, 82010, 84790, 115168, 131216, 135664, 143960, 164020, 169580, 262432, 271328, 287920, 328040, 339160, 500261, 575840, 656080, 678320, 1000522, 1312160, 1356640, 2001044, 2501305, 4002088, 5002610, 8004176, 10005220, 16008352, 20010440, 40020880, 80041760]

約数ペア:

[(1, 80041760), (2, 40020880), (4, 20010440), (5, 16008352), (8, 10005220), (10, 8004176), (16, 5002610), (20, 4002088), (32, 2501305), (40, 2001044), (59, 1356640), (61, 1312160), (80, 1000522), (118, 678320), (122, 656080), (139, 575840), (160, 500261), (236, 339160), (244, 328040), (278, 287920), (295, 271328), (305, 262432), (472, 169580), (488, 164020), (556, 143960), (590, 135664), (610, 131216), (695, 115168), (944, 84790), (976, 82010), (1112, 71980), (1180, 67832), (1220, 65608), (1390, 57584), (1888, 42395), (1952, 41005), (2224, 35990), (2360, 33916), (2440, 32804), (2780, 28792), (3599, 22240), (4448, 17995), (4720, 16958), (4880, 16402), (5560, 14396), (7198, 11120), (8201, 9760), (8479, 9440)]