77275280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{50839}}^1$

素因数の和:50871

約数の個数: 40

約数和(自身を含む): 189124800

約数和(自身を除く): 111849520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 50839, 101678, 203356, 254195, 406712, 508390, 813424, 965941, 1016780, 1931882, 2033560, 3863764, 4067120, 4829705, 7727528, 9659410, 15455056, 19318820, 38637640, 77275280]

約数ペア:

[(1, 77275280), (2, 38637640), (4, 19318820), (5, 15455056), (8, 9659410), (10, 7727528), (16, 4829705), (19, 4067120), (20, 3863764), (38, 2033560), (40, 1931882), (76, 1016780), (80, 965941), (95, 813424), (152, 508390), (190, 406712), (304, 254195), (380, 203356), (760, 101678), (1520, 50839)]