79390820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{74897}}^1$

素因数の和:74959

約数の個数: 24

約数和(自身を含む): 169868664

約数和(自身を除く): 90477844

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 74897, 149794, 299588, 374485, 748970, 1497940, 3969541, 7939082, 15878164, 19847705, 39695410, 79390820]

約数ペア:

[(1, 79390820), (2, 39695410), (4, 19847705), (5, 15878164), (10, 7939082), (20, 3969541), (53, 1497940), (106, 748970), (212, 374485), (265, 299588), (530, 149794), (1060, 74897)]