158624000

素因数分解:

$2^8\times 5^3\times {\mathrm{4957}}^1$

素因数の和:4988

約数の個数: 72

約数和(自身を含む): 395231928

約数和(自身を除く): 236607928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 4957, 6400, 8000, 9914, 16000, 19828, 24785, 32000, 39656, 49570, 79312, 99140, 123925, 158624, 198280, 247850, 317248, 396560, 495700, 619625, 634496, 793120, 991400, 1239250, 1268992, 1586240, 1982800, 2478500, 3172480, 3965600, 4957000, 6344960, 7931200, 9914000, 15862400, 19828000, 31724800, 39656000, 79312000, 158624000]

約数ペア:

[(1, 158624000), (2, 79312000), (4, 39656000), (5, 31724800), (8, 19828000), (10, 15862400), (16, 9914000), (20, 7931200), (25, 6344960), (32, 4957000), (40, 3965600), (50, 3172480), (64, 2478500), (80, 1982800), (100, 1586240), (125, 1268992), (128, 1239250), (160, 991400), (200, 793120), (250, 634496), (256, 619625), (320, 495700), (400, 396560), (500, 317248), (640, 247850), (800, 198280), (1000, 158624), (1280, 123925), (1600, 99140), (2000, 79312), (3200, 49570), (4000, 39656), (4957, 32000), (6400, 24785), (8000, 19828), (9914, 16000)]