5320436720

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{135449}}^1$

素因数の和:135953

約数の個数: 40

約数和(自身を含む): 12395300400

約数和(自身を除く): 7074863680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 135449, 270898, 541796, 677245, 1083592, 1354490, 2167184, 2708980, 5417960, 10835920, 66505459, 133010918, 266021836, 332527295, 532043672, 665054590, 1064087344, 1330109180, 2660218360, 5320436720]

約数ペア:

[(1, 5320436720), (2, 2660218360), (4, 1330109180), (5, 1064087344), (8, 665054590), (10, 532043672), (16, 332527295), (20, 266021836), (40, 133010918), (80, 66505459), (491, 10835920), (982, 5417960), (1964, 2708980), (2455, 2167184), (3928, 1354490), (4910, 1083592), (7856, 677245), (9820, 541796), (19640, 270898), (39280, 135449)]