13221260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 30166752

約数和(自身を除く): 16945492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 241, 260, 422, 482, 844, 964, 1055, 1205, 2110, 2410, 2743, 3133, 4220, 4820, 5486, 6266, 10972, 12532, 13715, 15665, 27430, 31330, 50851, 54860, 62660, 101702, 203404, 254255, 508510, 661063, 1017020, 1322126, 2644252, 3305315, 6610630, 13221260]

約数ペア:

[(1, 13221260), (2, 6610630), (4, 3305315), (5, 2644252), (10, 1322126), (13, 1017020), (20, 661063), (26, 508510), (52, 254255), (65, 203404), (130, 101702), (211, 62660), (241, 54860), (260, 50851), (422, 31330), (482, 27430), (844, 15665), (964, 13715), (1055, 12532), (1205, 10972), (2110, 6266), (2410, 5486), (2743, 4820), (3133, 4220)]