201680680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63823}}^1$

素因数の和:63913

約数の個数: 32

約数和(自身を含む): 459532800

約数和(自身を除く): 257852120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63823, 127646, 255292, 319115, 510584, 638230, 1276460, 2552920, 5042017, 10084034, 20168068, 25210085, 40336136, 50420170, 100840340, 201680680]

約数ペア:

[(1, 201680680), (2, 100840340), (4, 50420170), (5, 40336136), (8, 25210085), (10, 20168068), (20, 10084034), (40, 5042017), (79, 2552920), (158, 1276460), (316, 638230), (395, 510584), (632, 319115), (790, 255292), (1580, 127646), (3160, 63823)]