2545272320

素因数分解:

$2^9\times 5^1\times {\mathrm{994247}}^1$

素因数の和:994270

約数の個数: 40

約数和(自身を含む): 6102694224

約数和(自身を除く): 3557421904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 994247, 1988494, 3976988, 4971235, 7953976, 9942470, 15907952, 19884940, 31815904, 39769880, 63631808, 79539760, 127263616, 159079520, 254527232, 318159040, 509054464, 636318080, 1272636160, 2545272320]

約数ペア:

[(1, 2545272320), (2, 1272636160), (4, 636318080), (5, 509054464), (8, 318159040), (10, 254527232), (16, 159079520), (20, 127263616), (32, 79539760), (40, 63631808), (64, 39769880), (80, 31815904), (128, 19884940), (160, 15907952), (256, 9942470), (320, 7953976), (512, 4971235), (640, 3976988), (1280, 1988494), (2560, 994247)]