2649351640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{268153}}^1$

素因数の和:268196

約数の個数: 64

約数和(自身を含む): 6757480800

約数和(自身を除く): 4108129160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 268153, 536306, 1072612, 1340765, 2145224, 2681530, 3485989, 5094907, 5363060, 6971978, 10189814, 10726120, 13943956, 17429945, 20379628, 25474535, 27887912, 34859890, 40759256, 50949070, 66233791, 69719780, 101898140, 132467582, 139439560, 203796280, 264935164, 331168955, 529870328, 662337910, 1324675820, 2649351640]

約数ペア:

[(1, 2649351640), (2, 1324675820), (4, 662337910), (5, 529870328), (8, 331168955), (10, 264935164), (13, 203796280), (19, 139439560), (20, 132467582), (26, 101898140), (38, 69719780), (40, 66233791), (52, 50949070), (65, 40759256), (76, 34859890), (95, 27887912), (104, 25474535), (130, 20379628), (152, 17429945), (190, 13943956), (247, 10726120), (260, 10189814), (380, 6971978), (494, 5363060), (520, 5094907), (760, 3485989), (988, 2681530), (1235, 2145224), (1976, 1340765), (2470, 1072612), (4940, 536306), (9880, 268153)]