71312000

素因数分解:

$2^7\times 5^3\times {\mathrm{4457}}^1$

素因数の和:4486

約数の個数: 64

約数和(自身を含む): 177339240

約数和(自身を除く): 106027240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4457, 8000, 8914, 16000, 17828, 22285, 35656, 44570, 71312, 89140, 111425, 142624, 178280, 222850, 285248, 356560, 445700, 557125, 570496, 713120, 891400, 1114250, 1426240, 1782800, 2228500, 2852480, 3565600, 4457000, 7131200, 8914000, 14262400, 17828000, 35656000, 71312000]

約数ペア:

[(1, 71312000), (2, 35656000), (4, 17828000), (5, 14262400), (8, 8914000), (10, 7131200), (16, 4457000), (20, 3565600), (25, 2852480), (32, 2228500), (40, 1782800), (50, 1426240), (64, 1114250), (80, 891400), (100, 713120), (125, 570496), (128, 557125), (160, 445700), (200, 356560), (250, 285248), (320, 222850), (400, 178280), (500, 142624), (640, 111425), (800, 89140), (1000, 71312), (1600, 44570), (2000, 35656), (3200, 22285), (4000, 17828), (4457, 16000), (8000, 8914)]