45280000

素因数分解:

$2^8\times 5^4\times {\mathrm{283}}^1$

素因数の和:319

約数の個数: 90

約数和(自身を含む): 113341844

約数和(自身を除く): 68061844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 283, 320, 400, 500, 566, 625, 640, 800, 1000, 1132, 1250, 1280, 1415, 1600, 2000, 2264, 2500, 2830, 3200, 4000, 4528, 5000, 5660, 6400, 7075, 8000, 9056, 10000, 11320, 14150, 16000, 18112, 20000, 22640, 28300, 32000, 35375, 36224, 40000, 45280, 56600, 70750, 72448, 80000, 90560, 113200, 141500, 160000, 176875, 181120, 226400, 283000, 353750, 362240, 452800, 566000, 707500, 905600, 1132000, 1415000, 1811200, 2264000, 2830000, 4528000, 5660000, 9056000, 11320000, 22640000, 45280000]

約数ペア:

[(1, 45280000), (2, 22640000), (4, 11320000), (5, 9056000), (8, 5660000), (10, 4528000), (16, 2830000), (20, 2264000), (25, 1811200), (32, 1415000), (40, 1132000), (50, 905600), (64, 707500), (80, 566000), (100, 452800), (125, 362240), (128, 353750), (160, 283000), (200, 226400), (250, 181120), (256, 176875), (283, 160000), (320, 141500), (400, 113200), (500, 90560), (566, 80000), (625, 72448), (640, 70750), (800, 56600), (1000, 45280), (1132, 40000), (1250, 36224), (1280, 35375), (1415, 32000), (1600, 28300), (2000, 22640), (2264, 20000), (2500, 18112), (2830, 16000), (3200, 14150), (4000, 11320), (4528, 10000), (5000, 9056), (5660, 8000), (6400, 7075)]