200641520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132001}}^1$

素因数の和:132033

約数の個数: 40

約数和(自身を含む): 491047440

約数和(自身を除く): 290405920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132001, 264002, 528004, 660005, 1056008, 1320010, 2112016, 2508019, 2640020, 5016038, 5280040, 10032076, 10560080, 12540095, 20064152, 25080190, 40128304, 50160380, 100320760, 200641520]

約数ペア:

[(1, 200641520), (2, 100320760), (4, 50160380), (5, 40128304), (8, 25080190), (10, 20064152), (16, 12540095), (19, 10560080), (20, 10032076), (38, 5280040), (40, 5016038), (76, 2640020), (80, 2508019), (95, 2112016), (152, 1320010), (190, 1056008), (304, 660005), (380, 528004), (760, 264002), (1520, 132001)]