5129960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 12830400

約数和(自身を除く): 7700440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 131, 178, 220, 262, 356, 440, 445, 524, 655, 712, 890, 979, 1048, 1310, 1441, 1780, 1958, 2620, 2882, 3560, 3916, 4895, 5240, 5764, 7205, 7832, 9790, 11528, 11659, 14410, 19580, 23318, 28820, 39160, 46636, 57640, 58295, 93272, 116590, 128249, 233180, 256498, 466360, 512996, 641245, 1025992, 1282490, 2564980, 5129960]

約数ペア:

[(1, 5129960), (2, 2564980), (4, 1282490), (5, 1025992), (8, 641245), (10, 512996), (11, 466360), (20, 256498), (22, 233180), (40, 128249), (44, 116590), (55, 93272), (88, 58295), (89, 57640), (110, 46636), (131, 39160), (178, 28820), (220, 23318), (262, 19580), (356, 14410), (440, 11659), (445, 11528), (524, 9790), (655, 7832), (712, 7205), (890, 5764), (979, 5240), (1048, 4895), (1310, 3916), (1441, 3560), (1780, 2882), (1958, 2620)]