25201920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{6563}}^1$

素因数の和:6587

約数の個数: 72

約数和(自身を含む): 80500896

約数和(自身を除く): 55298976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 6563, 13126, 19689, 26252, 32815, 39378, 52504, 65630, 78756, 98445, 105008, 131260, 157512, 196890, 210016, 262520, 315024, 393780, 420032, 525040, 630048, 787560, 840064, 1050080, 1260096, 1575120, 1680128, 2100160, 2520192, 3150240, 4200320, 5040384, 6300480, 8400640, 12600960, 25201920]

約数ペア:

[(1, 25201920), (2, 12600960), (3, 8400640), (4, 6300480), (5, 5040384), (6, 4200320), (8, 3150240), (10, 2520192), (12, 2100160), (15, 1680128), (16, 1575120), (20, 1260096), (24, 1050080), (30, 840064), (32, 787560), (40, 630048), (48, 525040), (60, 420032), (64, 393780), (80, 315024), (96, 262520), (120, 210016), (128, 196890), (160, 157512), (192, 131260), (240, 105008), (256, 98445), (320, 78756), (384, 65630), (480, 52504), (640, 39378), (768, 32815), (960, 26252), (1280, 19689), (1920, 13126), (3840, 6563)]