1668944080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251347}}^1$

素因数の和:251443

約数の個数: 40

約数和(自身を含む): 3927061152

約数和(自身を除く): 2258117072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 251347, 502694, 1005388, 1256735, 2010776, 2513470, 4021552, 5026940, 10053880, 20107760, 20861801, 41723602, 83447204, 104309005, 166894408, 208618010, 333788816, 417236020, 834472040, 1668944080]

約数ペア:

[(1, 1668944080), (2, 834472040), (4, 417236020), (5, 333788816), (8, 208618010), (10, 166894408), (16, 104309005), (20, 83447204), (40, 41723602), (80, 20861801), (83, 20107760), (166, 10053880), (332, 5026940), (415, 4021552), (664, 2513470), (830, 2010776), (1328, 1256735), (1660, 1005388), (3320, 502694), (6640, 251347)]