2079890800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{399979}}^1$

素因数の和:400010

約数の個数: 60

約数和(自身を含む): 5381330920

約数和(自身を除く): 3301440120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 399979, 799958, 1599916, 1999895, 3199832, 3999790, 5199727, 6399664, 7999580, 9999475, 10399454, 15999160, 19998950, 20798908, 25998635, 31998320, 39997900, 41597816, 51997270, 79995800, 83195632, 103994540, 129993175, 159991600, 207989080, 259986350, 415978160, 519972700, 1039945400, 2079890800]

約数ペア:

[(1, 2079890800), (2, 1039945400), (4, 519972700), (5, 415978160), (8, 259986350), (10, 207989080), (13, 159991600), (16, 129993175), (20, 103994540), (25, 83195632), (26, 79995800), (40, 51997270), (50, 41597816), (52, 39997900), (65, 31998320), (80, 25998635), (100, 20798908), (104, 19998950), (130, 15999160), (200, 10399454), (208, 9999475), (260, 7999580), (325, 6399664), (400, 5199727), (520, 3999790), (650, 3199832), (1040, 1999895), (1300, 1599916), (2600, 799958), (5200, 399979)]