78455560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103231}}^1$

素因数の和:103261

約数の個数: 32

約数和(自身を含む): 185817600

約数和(自身を除く): 107362040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103231, 206462, 412924, 516155, 825848, 1032310, 1961389, 2064620, 3922778, 4129240, 7845556, 9806945, 15691112, 19613890, 39227780, 78455560]

約数ペア:

[(1, 78455560), (2, 39227780), (4, 19613890), (5, 15691112), (8, 9806945), (10, 7845556), (19, 4129240), (20, 3922778), (38, 2064620), (40, 1961389), (76, 1032310), (95, 825848), (152, 516155), (190, 412924), (380, 206462), (760, 103231)]