78864440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103769}}^1$

素因数の和:103799

約数の個数: 32

約数和(自身を含む): 186786000

約数和(自身を除く): 107921560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103769, 207538, 415076, 518845, 830152, 1037690, 1971611, 2075380, 3943222, 4150760, 7886444, 9858055, 15772888, 19716110, 39432220, 78864440]

約数ペア:

[(1, 78864440), (2, 39432220), (4, 19716110), (5, 15772888), (8, 9858055), (10, 7886444), (19, 4150760), (20, 3943222), (38, 2075380), (40, 1971611), (76, 1037690), (95, 830152), (152, 518845), (190, 415076), (380, 207538), (760, 103769)]