22480000

素因数分解:

$2^7\times 5^4\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 56161710

約数和(自身を除く): 33681710

約数列:

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

約数ペア:

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