201040820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39113}}^1$

素因数の和:39379

約数の個数: 24

約数和(自身を含む): 423839304

約数和(自身を除く): 222798484

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39113, 78226, 156452, 195565, 391130, 782260, 10052041, 20104082, 40208164, 50260205, 100520410, 201040820]

約数ペア:

[(1, 201040820), (2, 100520410), (4, 50260205), (5, 40208164), (10, 20104082), (20, 10052041), (257, 782260), (514, 391130), (1028, 195565), (1285, 156452), (2570, 78226), (5140, 39113)]