203955440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196111}}^1$

素因数の和:196137

約数の個数: 40

約数和(自身を含む): 510675648

約数和(自身を除く): 306720208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 196111, 392222, 784444, 980555, 1568888, 1961110, 2549443, 3137776, 3922220, 5098886, 7844440, 10197772, 12747215, 15688880, 20395544, 25494430, 40791088, 50988860, 101977720, 203955440]

約数ペア:

[(1, 203955440), (2, 101977720), (4, 50988860), (5, 40791088), (8, 25494430), (10, 20395544), (13, 15688880), (16, 12747215), (20, 10197772), (26, 7844440), (40, 5098886), (52, 3922220), (65, 3137776), (80, 2549443), (104, 1961110), (130, 1568888), (208, 980555), (260, 784444), (520, 392222), (1040, 196111)]