13208620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 28717920

約数和(自身を除く): 15509300

約数列:

[1, 2, 4, 5, 10, 20, 73, 83, 109, 146, 166, 218, 292, 332, 365, 415, 436, 545, 730, 830, 1090, 1460, 1660, 2180, 6059, 7957, 9047, 12118, 15914, 18094, 24236, 30295, 31828, 36188, 39785, 45235, 60590, 79570, 90470, 121180, 159140, 180940, 660431, 1320862, 2641724, 3302155, 6604310, 13208620]

約数ペア:

[(1, 13208620), (2, 6604310), (4, 3302155), (5, 2641724), (10, 1320862), (20, 660431), (73, 180940), (83, 159140), (109, 121180), (146, 90470), (166, 79570), (218, 60590), (292, 45235), (332, 39785), (365, 36188), (415, 31828), (436, 30295), (545, 24236), (730, 18094), (830, 15914), (1090, 12118), (1460, 9047), (1660, 7957), (2180, 6059)]