27989260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 64110816

約数和(自身を除く): 36121556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1297, 1660, 2158, 2594, 4316, 5188, 5395, 6485, 10790, 12970, 16861, 21580, 25940, 33722, 67444, 84305, 107651, 168610, 215302, 337220, 430604, 538255, 1076510, 1399463, 2153020, 2798926, 5597852, 6997315, 13994630, 27989260]

約数ペア:

[(1, 27989260), (2, 13994630), (4, 6997315), (5, 5597852), (10, 2798926), (13, 2153020), (20, 1399463), (26, 1076510), (52, 538255), (65, 430604), (83, 337220), (130, 215302), (166, 168610), (260, 107651), (332, 84305), (415, 67444), (830, 33722), (1079, 25940), (1297, 21580), (1660, 16861), (2158, 12970), (2594, 10790), (4316, 6485), (5188, 5395)]