144012800

素因数分解:

$2^9\times 5^2\times {\mathrm{11251}}^1$

素因数の和:11279

約数の個数: 60

約数和(自身を含む): 356834676

約数和(自身を除く): 212821876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 11251, 12800, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 281275, 360032, 450040, 562550, 720064, 900080, 1125100, 1440128, 1800160, 2250200, 2880256, 3600320, 4500400, 5760512, 7200640, 9000800, 14401280, 18001600, 28802560, 36003200, 72006400, 144012800]

約数ペア:

[(1, 144012800), (2, 72006400), (4, 36003200), (5, 28802560), (8, 18001600), (10, 14401280), (16, 9000800), (20, 7200640), (25, 5760512), (32, 4500400), (40, 3600320), (50, 2880256), (64, 2250200), (80, 1800160), (100, 1440128), (128, 1125100), (160, 900080), (200, 720064), (256, 562550), (320, 450040), (400, 360032), (512, 281275), (640, 225020), (800, 180016), (1280, 112510), (1600, 90008), (2560, 56255), (3200, 45004), (6400, 22502), (11251, 12800)]