2000734720

素因数分解:

$2^9\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3041}}^1$

素因数の和:3321

約数の個数: 80

約数和(自身を含む): 4817323368

約数和(自身を除く): 2816588648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 512, 514, 640, 1028, 1280, 1285, 2056, 2560, 2570, 3041, 4112, 5140, 6082, 8224, 10280, 12164, 15205, 16448, 20560, 24328, 30410, 32896, 41120, 48656, 60820, 65792, 82240, 97312, 121640, 131584, 164480, 194624, 243280, 328960, 389248, 486560, 657920, 778496, 781537, 973120, 1556992, 1563074, 1946240, 3126148, 3892480, 3907685, 6252296, 7784960, 7815370, 12504592, 15630740, 25009184, 31261480, 50018368, 62522960, 100036736, 125045920, 200073472, 250091840, 400146944, 500183680, 1000367360, 2000734720]

約数ペア:

[(1, 2000734720), (2, 1000367360), (4, 500183680), (5, 400146944), (8, 250091840), (10, 200073472), (16, 125045920), (20, 100036736), (32, 62522960), (40, 50018368), (64, 31261480), (80, 25009184), (128, 15630740), (160, 12504592), (256, 7815370), (257, 7784960), (320, 6252296), (512, 3907685), (514, 3892480), (640, 3126148), (1028, 1946240), (1280, 1563074), (1285, 1556992), (2056, 973120), (2560, 781537), (2570, 778496), (3041, 657920), (4112, 486560), (5140, 389248), (6082, 328960), (8224, 243280), (10280, 194624), (12164, 164480), (15205, 131584), (16448, 121640), (20560, 97312), (24328, 82240), (30410, 65792), (32896, 60820), (41120, 48656)]