13529780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 31389120

約数和(自身を除く): 17859340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 691, 890, 979, 1382, 1780, 1958, 2764, 3455, 3916, 4895, 6910, 7601, 9790, 13820, 15202, 19580, 30404, 38005, 61499, 76010, 122998, 152020, 245996, 307495, 614990, 676489, 1229980, 1352978, 2705956, 3382445, 6764890, 13529780]

約数ペア:

[(1, 13529780), (2, 6764890), (4, 3382445), (5, 2705956), (10, 1352978), (11, 1229980), (20, 676489), (22, 614990), (44, 307495), (55, 245996), (89, 152020), (110, 122998), (178, 76010), (220, 61499), (356, 38005), (445, 30404), (691, 19580), (890, 15202), (979, 13820), (1382, 9790), (1780, 7601), (1958, 6910), (2764, 4895), (3455, 3916)]