201210121960

素因数分解:

$2^3\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{1835189}}^1$

素因数の和:1837941

約数の個数: 32

約数和(自身を含む): 452888188200

約数和(自身を除く): 251678066240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2741, 5482, 10964, 13705, 21928, 27410, 54820, 109640, 1835189, 3670378, 7340756, 9175945, 14681512, 18351890, 36703780, 73407560, 5030253049, 10060506098, 20121012196, 25151265245, 40242024392, 50302530490, 100605060980, 201210121960]

約数ペア:

[(1, 201210121960), (2, 100605060980), (4, 50302530490), (5, 40242024392), (8, 25151265245), (10, 20121012196), (20, 10060506098), (40, 5030253049), (2741, 73407560), (5482, 36703780), (10964, 18351890), (13705, 14681512), (21928, 9175945), (27410, 7340756), (54820, 3670378), (109640, 1835189)]