20087040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5231}}^1$

素因数の和:5255

約数の個数: 72

約数和(自身を含む): 64165248

約数和(自身を除く): 44078208

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, 5231, 10462, 15693, 20924, 26155, 31386, 41848, 52310, 62772, 78465, 83696, 104620, 125544, 156930, 167392, 209240, 251088, 313860, 334784, 418480, 502176, 627720, 669568, 836960, 1004352, 1255440, 1339136, 1673920, 2008704, 2510880, 3347840, 4017408, 5021760, 6695680, 10043520, 20087040]

約数ペア:

[(1, 20087040), (2, 10043520), (3, 6695680), (4, 5021760), (5, 4017408), (6, 3347840), (8, 2510880), (10, 2008704), (12, 1673920), (15, 1339136), (16, 1255440), (20, 1004352), (24, 836960), (30, 669568), (32, 627720), (40, 502176), (48, 418480), (60, 334784), (64, 313860), (80, 251088), (96, 209240), (120, 167392), (128, 156930), (160, 125544), (192, 104620), (240, 83696), (256, 78465), (320, 62772), (384, 52310), (480, 41848), (640, 31386), (768, 26155), (960, 20924), (1280, 15693), (1920, 10462), (3840, 5231)]