11839280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7821

約数の個数: 40

約数和(自身を含む): 28978800

約数和(自身を除く): 17139520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 7789, 15578, 31156, 38945, 62312, 77890, 124624, 147991, 155780, 295982, 311560, 591964, 623120, 739955, 1183928, 1479910, 2367856, 2959820, 5919640, 11839280]

約数ペア:

[(1, 11839280), (2, 5919640), (4, 2959820), (5, 2367856), (8, 1479910), (10, 1183928), (16, 739955), (19, 623120), (20, 591964), (38, 311560), (40, 295982), (76, 155780), (80, 147991), (95, 124624), (152, 77890), (190, 62312), (304, 38945), (380, 31156), (760, 15578), (1520, 7789)]