25221120

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{821}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 80786160

約数和(自身を除く): 55565040

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, 512, 640, 768, 821, 960, 1024, 1280, 1536, 1642, 1920, 2048, 2463, 2560, 3072, 3284, 3840, 4105, 4926, 5120, 6144, 6568, 7680, 8210, 9852, 10240, 12315, 13136, 15360, 16420, 19704, 24630, 26272, 30720, 32840, 39408, 49260, 52544, 65680, 78816, 98520, 105088, 131360, 157632, 197040, 210176, 262720, 315264, 394080, 420352, 525440, 630528, 788160, 840704, 1050880, 1261056, 1576320, 1681408, 2101760, 2522112, 3152640, 4203520, 5044224, 6305280, 8407040, 12610560, 25221120]

約数ペア:

[(1, 25221120), (2, 12610560), (3, 8407040), (4, 6305280), (5, 5044224), (6, 4203520), (8, 3152640), (10, 2522112), (12, 2101760), (15, 1681408), (16, 1576320), (20, 1261056), (24, 1050880), (30, 840704), (32, 788160), (40, 630528), (48, 525440), (60, 420352), (64, 394080), (80, 315264), (96, 262720), (120, 210176), (128, 197040), (160, 157632), (192, 131360), (240, 105088), (256, 98520), (320, 78816), (384, 65680), (480, 52544), (512, 49260), (640, 39408), (768, 32840), (821, 30720), (960, 26272), (1024, 24630), (1280, 19704), (1536, 16420), (1642, 15360), (1920, 13136), (2048, 12315), (2463, 10240), (2560, 9852), (3072, 8210), (3284, 7680), (3840, 6568), (4105, 6144), (4926, 5120)]