2019172840

素因数分解:

$2^3\times 5^1\times {\mathrm{50479321}}^1$

素因数の和:50479332

約数の個数: 16

約数和(自身を含む): 4543138980

約数和(自身を除く): 2523966140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50479321, 100958642, 201917284, 252396605, 403834568, 504793210, 1009586420, 2019172840]

約数ペア:

[(1, 2019172840), (2, 1009586420), (4, 504793210), (5, 403834568), (8, 252396605), (10, 201917284), (20, 100958642), (40, 50479321)]