201869840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12809}}^1$

素因数の和:13019

約数の個数: 40

約数和(自身を含む): 471766680

約数和(自身を除く): 269896840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 12809, 15760, 25618, 51236, 64045, 102472, 128090, 204944, 256180, 512360, 1024720, 2523373, 5046746, 10093492, 12616865, 20186984, 25233730, 40373968, 50467460, 100934920, 201869840]

約数ペア:

[(1, 201869840), (2, 100934920), (4, 50467460), (5, 40373968), (8, 25233730), (10, 20186984), (16, 12616865), (20, 10093492), (40, 5046746), (80, 2523373), (197, 1024720), (394, 512360), (788, 256180), (985, 204944), (1576, 128090), (1970, 102472), (3152, 64045), (3940, 51236), (7880, 25618), (12809, 15760)]