200859520

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 483480000

約数和(自身を除く): 282620480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 1256, 1570, 1999, 2512, 3140, 3998, 5024, 6280, 7996, 9995, 10048, 12560, 15992, 19990, 20096, 25120, 31984, 39980, 50240, 63968, 79960, 100480, 127936, 159920, 255872, 313843, 319840, 627686, 639680, 1255372, 1279360, 1569215, 2510744, 3138430, 5021488, 6276860, 10042976, 12553720, 20085952, 25107440, 40171904, 50214880, 100429760, 200859520]

約数ペア:

[(1, 200859520), (2, 100429760), (4, 50214880), (5, 40171904), (8, 25107440), (10, 20085952), (16, 12553720), (20, 10042976), (32, 6276860), (40, 5021488), (64, 3138430), (80, 2510744), (128, 1569215), (157, 1279360), (160, 1255372), (314, 639680), (320, 627686), (628, 319840), (640, 313843), (785, 255872), (1256, 159920), (1570, 127936), (1999, 100480), (2512, 79960), (3140, 63968), (3998, 50240), (5024, 39980), (6280, 31984), (7996, 25120), (9995, 20096), (10048, 19990), (12560, 15992)]