13725580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 31842720

約数和(自身を除く): 18117140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 701, 890, 979, 1402, 1780, 1958, 2804, 3505, 3916, 4895, 7010, 7711, 9790, 14020, 15422, 19580, 30844, 38555, 62389, 77110, 124778, 154220, 249556, 311945, 623890, 686279, 1247780, 1372558, 2745116, 3431395, 6862790, 13725580]

約数ペア:

[(1, 13725580), (2, 6862790), (4, 3431395), (5, 2745116), (10, 1372558), (11, 1247780), (20, 686279), (22, 623890), (44, 311945), (55, 249556), (89, 154220), (110, 124778), (178, 77110), (220, 62389), (356, 38555), (445, 30844), (701, 19580), (890, 15422), (979, 14020), (1402, 9790), (1780, 7711), (1958, 7010), (2804, 4895), (3505, 3916)]