89920000

素因数分解:

$2^9\times 5^4\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 100

約数和(自身を含む): 225307566

約数和(自身を除く): 135387566

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 281, 320, 400, 500, 512, 562, 625, 640, 800, 1000, 1124, 1250, 1280, 1405, 1600, 2000, 2248, 2500, 2560, 2810, 3200, 4000, 4496, 5000, 5620, 6400, 7025, 8000, 8992, 10000, 11240, 12800, 14050, 16000, 17984, 20000, 22480, 28100, 32000, 35125, 35968, 40000, 44960, 56200, 64000, 70250, 71936, 80000, 89920, 112400, 140500, 143872, 160000, 175625, 179840, 224800, 281000, 320000, 351250, 359680, 449600, 562000, 702500, 719360, 899200, 1124000, 1405000, 1798400, 2248000, 2810000, 3596800, 4496000, 5620000, 8992000, 11240000, 17984000, 22480000, 44960000, 89920000]

約数ペア:

[(1, 89920000), (2, 44960000), (4, 22480000), (5, 17984000), (8, 11240000), (10, 8992000), (16, 5620000), (20, 4496000), (25, 3596800), (32, 2810000), (40, 2248000), (50, 1798400), (64, 1405000), (80, 1124000), (100, 899200), (125, 719360), (128, 702500), (160, 562000), (200, 449600), (250, 359680), (256, 351250), (281, 320000), (320, 281000), (400, 224800), (500, 179840), (512, 175625), (562, 160000), (625, 143872), (640, 140500), (800, 112400), (1000, 89920), (1124, 80000), (1250, 71936), (1280, 70250), (1405, 64000), (1600, 56200), (2000, 44960), (2248, 40000), (2500, 35968), (2560, 35125), (2810, 32000), (3200, 28100), (4000, 22480), (4496, 20000), (5000, 17984), (5620, 16000), (6400, 14050), (7025, 12800), (8000, 11240), (8992, 10000)]