1336291520

素因数分解:

$2^6\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{2089}}^1$

素因数の和:4105

約数の個数: 56

約数和(自身を含む): 3185160000

約数和(自身を除く): 1848868480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1999, 2089, 3998, 4178, 7996, 8356, 9995, 10445, 15992, 16712, 19990, 20890, 31984, 33424, 39980, 41780, 63968, 66848, 79960, 83560, 127936, 133696, 159920, 167120, 319840, 334240, 639680, 668480, 4175911, 8351822, 16703644, 20879555, 33407288, 41759110, 66814576, 83518220, 133629152, 167036440, 267258304, 334072880, 668145760, 1336291520]

約数ペア:

[(1, 1336291520), (2, 668145760), (4, 334072880), (5, 267258304), (8, 167036440), (10, 133629152), (16, 83518220), (20, 66814576), (32, 41759110), (40, 33407288), (64, 20879555), (80, 16703644), (160, 8351822), (320, 4175911), (1999, 668480), (2089, 639680), (3998, 334240), (4178, 319840), (7996, 167120), (8356, 159920), (9995, 133696), (10445, 127936), (15992, 83560), (16712, 79960), (19990, 66848), (20890, 63968), (31984, 41780), (33424, 39980)]