1353820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 3161088

約数和(自身を除く): 1807268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 127, 130, 164, 205, 254, 260, 410, 508, 533, 635, 820, 1066, 1270, 1651, 2132, 2540, 2665, 3302, 5207, 5330, 6604, 8255, 10414, 10660, 16510, 20828, 26035, 33020, 52070, 67691, 104140, 135382, 270764, 338455, 676910, 1353820]

約数ペア:

[(1, 1353820), (2, 676910), (4, 338455), (5, 270764), (10, 135382), (13, 104140), (20, 67691), (26, 52070), (41, 33020), (52, 26035), (65, 20828), (82, 16510), (127, 10660), (130, 10414), (164, 8255), (205, 6604), (254, 5330), (260, 5207), (410, 3302), (508, 2665), (533, 2540), (635, 2132), (820, 1651), (1066, 1270)]